UBUNTU-CVE-2024-49959: Medium severity ubuntu/linux vulnerability

Q: Who can exploit this issue?

The issue has a local attack vector and requires low privileges. No user interaction is required.

Q: What conditions are needed to trigger the problem?

The affected kernel journal code must encounter an error while cleaning the journal tail, such as an EIO error, while trying to recover journal space. The described path involves an ext4 inode-dirtying operation and a journal with insufficient free space.

Q: What is the expected impact?

The reported impact is availability only; confidentiality and integrity impacts are listed as none. The failure can lead to a kernel warning after the journal code continues waiting despite having no way to obtain more journal space.

Q: How can administrators identify a potentially affected system?

Check kernel logs for messages such as "JBD2: I/O error when updating journal superblock," "__jbd2_log_wait_for_space: needed ... blocks," and "no way to get more journal space," followed by a warning in __jbd2_log_wait_for_space. The affected Ubuntu kernel package families listed are linux, linux-fips, linux-aws, linux-azure, linux-aws-fips, linux-azure-fips, linux-gcp, and linux-gcp-fips.

Published Oct 21, 2024

Updated

In the Linux kernel, the following vulnerability has been resolved: jbd2: stop waiting for space when jbd2cleanupjournaltail() returns error In jbd2logwaitforspace(), we might call jbd2cleanupjournaltail() to recover some journal space. But if an error occurs while executing jbd2cleanupjournaltail() (e.g., an EIO), we don't stop waiting for free space right away, we try other branches, and if jcommittingtransaction is NULL (i.e., the tid is 0), we will get the following complain: ============================================ JBD2: I/O error when updating journal superblock for sdd-8. jbd2logwaitforspace: needed 256 blocks and only had 217 space available jbd2logwaitforspace: no way to get more journal space in sdd-8 ------------[ cut here ]------------ WARNING: CPU: 2 PID: 139804 at fs/jbd2/checkpoint.c:109 jbd2logwaitforspace+0x251/0x2e0 Modules linked in: CPU: 2 PID: 139804 Comm: kworker/u8:3 Not tainted 6.6.0+ #1 RIP: 0010:jbd2logwaitforspace+0x251/0x2e0 Call Trace: <TASK> addtransactioncredits+0x5d1/0x5e0 startthishandle+0x1ef/0x6a0 jbd2journalstart+0x18b/0x340 ext4dirtyinode+0x5d/0xb0 markinodedirty+0xe4/0x5d0 genericupdatetime+0x60/0x70 [...] ============================================ So only if jbd2cleanupjournaltail() returns 1, i.e., there is nothing to clean up at the moment, continue to try to reclaim free space in other ways. Note that this fix relies on commit 6f6a6fda2945 ("jbd2: fix ocfs2 corrupt when updating journal superblock fails") to make jbd2cleanupjournaltail return the correct error code.

Affected Software

202 affected componentsFixes available

ubuntu/linux*

ubuntu/linux-aws<4.4.0-1151.157

4.4.0-1151.157

ubuntu/linux-azure<4.15.0-1196.211~14.04.1

4.15.0-1196.211~14.04.1

ubuntu/linux-lts-xenial<4.4.0-277.311~14.04.1

4.4.0-277.311~14.04.1

ubuntu/linux<4.4.0-277.311

4.4.0-277.311

ubuntu/linux-aws<4.4.0-1189.204

4.4.0-1189.204

ubuntu/linux-aws-hwe<4.15.0-1188.201~16.04.1

4.15.0-1188.201~16.04.1

ubuntu/linux-azure<4.15.0-1196.211~16.04.1

4.15.0-1196.211~16.04.1

ubuntu/linux-gcp<4.15.0-1181.198~16.04.1

4.15.0-1181.198~16.04.1

ubuntu/linux-hwe<4.15.0-246.258~16.04.1

4.15.0-246.258~16.04.1

ubuntu/linux-kvm<4.4.0-1152.163

4.4.0-1152.163

ubuntu/linux-oracle<4.15.0-1150.161~16.04.1

4.15.0-1150.161~16.04.1

ubuntu/linux-hwe-edge*

ubuntu/linux-fips<4.4.0-1121.128

4.4.0-1121.128

ubuntu/linux-fips*

ubuntu/linux<4.15.0-246.258

4.15.0-246.258

ubuntu/linux-aws<4.15.0-1188.201

4.15.0-1188.201

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-aws-5.4<5.4.0-1142.152~18.04.1

5.4.0-1142.152~18.04.1

ubuntu/linux-azure*

ubuntu/linux-azure-4.15<4.15.0-1196.211

4.15.0-1196.211

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-5.4<5.4.0-1145.152~18.04.1

5.4.0-1145.152~18.04.1

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-4.15<4.15.0-1181.198

4.15.0-1181.198

ubuntu/linux-gcp-5.3*

ubuntu/linux-gcp-5.4<5.4.0-1143.152~18.04.1

5.4.0-1143.152~18.04.1

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-5.4<5.4.0-208.228~18.04.1

5.4.0-208.228~18.04.1

ubuntu/linux-hwe-edge*

ubuntu/linux-ibm-5.4<5.4.0-1086.91~18.04.1

5.4.0-1086.91~18.04.1

ubuntu/linux-kvm<4.15.0-1170.175

4.15.0-1170.175

ubuntu/linux-oem*

ubuntu/linux-oracle<4.15.0-1150.161

4.15.0-1150.161

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-oracle-5.4<5.4.0-1138.147~18.04.1

5.4.0-1138.147~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1129.142~18.04.1

5.4.0-1129.142~18.04.1

ubuntu/linux-aws-fips<4.15.0-2126.132

4.15.0-2126.132

ubuntu/linux-azure-fips<4.15.0-2105.111

4.15.0-2105.111

ubuntu/linux-fips<4.15.0-1143.155

4.15.0-1143.155

ubuntu/linux-gcp-fips<4.15.0-2089.95

4.15.0-2089.95

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.4.0-208.228

5.4.0-208.228

ubuntu/linux-aws<5.4.0-1140.150

5.4.0-1140.150

ubuntu/linux-aws-5.15<5.15.0-1073.79~20.04.1

5.15.0-1073.79~20.04.1

ubuntu/linux-azure<5.4.0-1145.152

5.4.0-1145.152

ubuntu/linux-azure-5.15<5.15.0-1078.87~20.04.1

5.15.0-1078.87~20.04.1

ubuntu/linux-bluefield<5.4.0-1099.106

5.4.0-1099.106

ubuntu/linux-gcp<5.4.0-1143.152

5.4.0-1143.152

ubuntu/linux-gcp-5.15<5.15.0-1072.80~20.04.1

5.15.0-1072.80~20.04.1

ubuntu/linux-hwe-5.15<5.15.0-127.137~20.04.1

5.15.0-127.137~20.04.1

ubuntu/linux-ibm<5.4.0-1086.91

5.4.0-1086.91

ubuntu/linux-ibm-5.15<5.15.0-1066.69~20.04.1

5.15.0-1066.69~20.04.1

ubuntu/linux-intel-iotg-5.15<5.15.0-1071.77~20.04.1

5.15.0-1071.77~20.04.1

ubuntu/linux-iot<5.4.0-1048.51

5.4.0-1048.51

ubuntu/linux-kvm<5.4.0-1127.136

5.4.0-1127.136

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-127.137~20.04.1

5.15.0-127.137~20.04.1

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1032.32~20.04.1

5.15.0-1032.32~20.04.1

ubuntu/linux-oracle<5.4.0-1138.147

5.4.0-1138.147

ubuntu/linux-oracle-5.15<5.15.0-1071.77~20.04.1

5.15.0-1071.77~20.04.1

ubuntu/linux-raspi<5.4.0-1129.142

5.4.0-1129.142

ubuntu/linux-riscv-5.15<5.15.0-1069.73~20.04.1

5.15.0-1069.73~20.04.1

ubuntu/linux-xilinx-zynqmp<5.4.0-1058.62

5.4.0-1058.62

ubuntu/linux-aws-5.11*

ubuntu/linux-aws-5.13*

ubuntu/linux-aws-5.8*

ubuntu/linux-azure-5.11*

ubuntu/linux-azure-5.13*

ubuntu/linux-azure-5.8*

ubuntu/linux-azure-fde*

ubuntu/linux-gcp-5.11*

ubuntu/linux-gcp-5.13*

ubuntu/linux-gcp-5.8*

ubuntu/linux-gke*

ubuntu/linux-gke-5.15*

ubuntu/linux-gkeop*

ubuntu/linux-gkeop-5.15*

ubuntu/linux-hwe-5.11*

ubuntu/linux-hwe-5.13*

ubuntu/linux-hwe-5.8*

ubuntu/linux-intel-5.13*

ubuntu/linux-oem-5.10*

ubuntu/linux-oem-5.13*

ubuntu/linux-oem-5.6*

ubuntu/linux-oracle-5.11*

ubuntu/linux-oracle-5.13*

ubuntu/linux-oracle-5.8*

ubuntu/linux-raspi2*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.11*

ubuntu/linux-riscv-5.8*

ubuntu/linux-aws-fips<5.4.0-1140.151+fips1

5.4.0-1140.151+fips1

ubuntu/linux-azure-fips<5.4.0-1145.152+fips1

5.4.0-1145.152+fips1

ubuntu/linux-fips<5.4.0-1116.126

5.4.0-1116.126

ubuntu/linux-gcp-fips<5.4.0-1143.152+fips1

5.4.0-1143.152+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-127.137

5.15.0-127.137

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1073.79

5.15.0-1073.79

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-aws-6.8<6.8.0-1023.25~22.04.1

6.8.0-1023.25~22.04.1

ubuntu/linux-azure<5.15.0-1078.87

5.15.0-1078.87

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-6.8<6.8.0-1025.30~22.04.1

6.8.0-1025.30~22.04.1

ubuntu/linux-azure-fde<5.15.0-1078.87.1

5.15.0-1078.87.1

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1072.80

5.15.0-1072.80

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gcp-6.8<6.8.0-1024.26~22.04.1

6.8.0-1024.26~22.04.1

ubuntu/linux-gke<5.15.0-1070.76

5.15.0-1070.76

ubuntu/linux-gkeop<5.15.0-1056.63

5.15.0-1056.63

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-hwe-6.8<6.8.0-57.59~22.04.1

6.8.0-57.59~22.04.1

ubuntu/linux-ibm<5.15.0-1066.69

5.15.0-1066.69

ubuntu/linux-ibm-6.8<6.8.0-1023.23~22.04.1

6.8.0-1023.23~22.04.1

ubuntu/linux-intel-iotg<5.15.0-1071.77

5.15.0-1071.77

ubuntu/linux-kvm<5.15.0-1070.75

5.15.0-1070.75

ubuntu/linux-lowlatency<5.15.0-127.137

5.15.0-127.137

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-lowlatency-hwe-6.8<6.8.0-54.56.1~22.04.1

6.8.0-54.56.1~22.04.1

ubuntu/linux-nvidia<5.15.0-1068.69

5.15.0-1068.69

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-nvidia-6.8<6.8.0-1022.25~22.04.2

6.8.0-1022.25~22.04.2

ubuntu/linux-nvidia-tegra<5.15.0-1032.32

5.15.0-1032.32

ubuntu/linux-nvidia-tegra-igx<5.15.0-1020.20

5.15.0-1020.20

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1071.77

5.15.0-1071.77

ubuntu/linux-oracle-6.5*

ubuntu/linux-oracle-6.8<6.8.0-1020.21~22.04.1

6.8.0-1020.21~22.04.1

ubuntu/linux-raspi<5.15.0-1066.69

5.15.0-1066.69

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-riscv-6.8<6.8.0-53.55.1~22.04.1

6.8.0-53.55.1~22.04.1

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-xilinx-zynqmp<5.15.0-1039.43

5.15.0-1039.43

ubuntu/linux-bluefield<5.15.0-1057.59

5.15.0-1057.59

ubuntu/linux-intel-iot-realtime<5.15.0-1066.68

5.15.0-1066.68

ubuntu/linux-realtime<5.15.0-1074.82

5.15.0-1074.82

ubuntu/linux-realtime-6.8<6.8.1-1016.17~22.04.1

6.8.1-1016.17~22.04.1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips<5.15.0-1073.79+fips1

5.15.0-1073.79+fips1

ubuntu/linux-azure-fips<5.15.0-1078.87+fips1

5.15.0-1078.87+fips1

ubuntu/linux-fips<5.15.0-127.137+fips1

5.15.0-127.137+fips1

ubuntu/linux-gcp-fips<5.15.0-1072.80+fips1

5.15.0-1072.80+fips1

ubuntu/linux<6.8.0-54.56

6.8.0-54.56

ubuntu/linux-aws<6.8.0-1023.25

6.8.0-1023.25

ubuntu/linux-azure<6.8.0-1025.30

6.8.0-1025.30

ubuntu/linux-azure-6.11<6.11.0-1012.12~24.04.1

6.11.0-1012.12~24.04.1

ubuntu/linux-azure-nvidia<6.8.0-1014.15

6.8.0-1014.15

ubuntu/linux-gcp<6.8.0-1024.26

6.8.0-1024.26

ubuntu/linux-gcp-6.11<6.11.0-1011.11~24.04.1

6.11.0-1011.11~24.04.1

ubuntu/linux-gke<6.8.0-1019.23

6.8.0-1019.23

ubuntu/linux-gkeop<6.8.0-1006.8

6.8.0-1006.8

ubuntu/linux-ibm<6.8.0-1022.22

6.8.0-1022.22

ubuntu/linux-lowlatency<6.8.0-54.56.1

6.8.0-54.56.1

ubuntu/linux-nvidia<6.8.0-1022.25

6.8.0-1022.25

ubuntu/linux-nvidia-6.11<6.11.0-1007.7

6.11.0-1007.7

ubuntu/linux-nvidia-lowlatency<6.8.0-1022.25.2

6.8.0-1022.25.2

ubuntu/linux-oem-6.11<6.11.0-1015.15

6.11.0-1015.15

ubuntu/linux-oem-6.8<6.8.0-1024.24

6.8.0-1024.24

ubuntu/linux-oracle<6.8.0-1020.21

6.8.0-1020.21

ubuntu/linux-raspi<6.8.0-1019.23

6.8.0-1019.23

ubuntu/linux-realtime*

ubuntu/linux-riscv<6.8.0-53.55.1

6.8.0-53.55.1

ubuntu/linux-xilinx<6.8.0-1017.18

6.8.0-1017.18

ubuntu/linux-raspi-realtime<6.8.0-2018.19

6.8.0-2018.19

ubuntu/linux-realtime<6.8.1-1016.17

6.8.1-1016.17

ubuntu/linux-fips<6.8.0-78.78+fips1

6.8.0-78.78+fips1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 4.4.0-1151.157
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 4.15.0-1196.211~14.04.1
Upgrade
Upgrade ubuntu/linux-lts-xenial to a version that resolves this vulnerability.
Fixed in 4.4.0-277.311~14.04.1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 4.4.0-277.311
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 4.4.0-1189.204
Upgrade
Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.
Fixed in 4.15.0-1188.201~16.04.1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 4.15.0-1196.211~16.04.1
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 4.15.0-1181.198~16.04.1
Upgrade
Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.
Fixed in 4.15.0-246.258~16.04.1
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 4.4.0-1152.163
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 4.15.0-1150.161~16.04.1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 4.4.0-1121.128
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 4.15.0-246.258
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 4.15.0-1188.201
Upgrade
Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1142.152~18.04.1
Upgrade
Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.
Fixed in 4.15.0-1196.211
Upgrade
Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1145.152~18.04.1
Upgrade
Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.
Fixed in 4.15.0-1181.198
Upgrade
Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1143.152~18.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-208.228~18.04.1
Upgrade
Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1086.91~18.04.1
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 4.15.0-1170.175
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 4.15.0-1150.161
Upgrade
Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1138.147~18.04.1
Upgrade
Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1129.142~18.04.1
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-2126.132
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-2105.111
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-1143.155
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-2089.95
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.4.0-208.228
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.4.0-1140.150
Upgrade
Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1073.79~20.04.1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.4.0-1145.152
Upgrade
Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1078.87~20.04.1
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.4.0-1099.106
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.4.0-1143.152
Upgrade
Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1072.80~20.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-127.137~20.04.1
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.4.0-1086.91
Upgrade
Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1066.69~20.04.1
Upgrade
Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1071.77~20.04.1
Upgrade
Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.
Fixed in 5.4.0-1048.51
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.4.0-1127.136
Upgrade
Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-127.137~20.04.1
Upgrade
Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1032.32~20.04.1
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.4.0-1138.147
Upgrade
Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1071.77~20.04.1
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.4.0-1129.142
Upgrade
Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1069.73~20.04.1
Upgrade
Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.
Fixed in 5.4.0-1058.62
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1140.151+fips1
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1145.152+fips1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1116.126
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Fixed in 5.4.0-1143.152+fips1
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Fixed in 5.15.0-127.137
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Fixed in 5.15.0-1073.79
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Fixed in 6.8.0-1023.25~22.04.1
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Fixed in 5.15.0-1078.87
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Fixed in 6.8.0-1025.30~22.04.1
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Fixed in 5.15.0-1078.87.1
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Fixed in 5.15.0-1072.80
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Fixed in 6.8.0-1024.26~22.04.1
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Fixed in 5.15.0-1070.76
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Fixed in 5.15.0-1056.63
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Fixed in 6.8.0-57.59~22.04.1
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Fixed in 5.15.0-1066.69
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Fixed in 6.8.0-1023.23~22.04.1
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Fixed in 5.15.0-1071.77
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Fixed in 5.15.0-1070.75
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Fixed in 5.15.0-127.137
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Fixed in 6.8.0-54.56.1~22.04.1
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Fixed in 5.15.0-1068.69
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Fixed in 6.8.0-1022.25~22.04.2
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Fixed in 5.15.0-1032.32
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Fixed in 5.15.0-1020.20
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Fixed in 5.15.0-1071.77
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Fixed in 6.8.0-1020.21~22.04.1
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Fixed in 5.15.0-1066.69
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Fixed in 6.8.0-53.55.1~22.04.1
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Fixed in 5.15.0-1039.43
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Fixed in 5.15.0-1057.59
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Fixed in 5.15.0-1066.68
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Fixed in 5.15.0-1074.82
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Fixed in 6.8.1-1016.17~22.04.1
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Fixed in 5.15.0-1073.79+fips1
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Fixed in 5.15.0-1078.87+fips1
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Fixed in 5.15.0-127.137+fips1
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Fixed in 5.15.0-1072.80+fips1
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Fixed in 6.8.0-54.56
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Fixed in 6.8.0-1023.25
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Fixed in 6.8.0-1025.30
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Fixed in 6.11.0-1012.12~24.04.1
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Fixed in 6.8.0-1014.15
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Fixed in 6.8.0-1024.26
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Fixed in 6.11.0-1011.11~24.04.1
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Fixed in 6.8.0-1019.23
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Fixed in 6.8.0-1006.8
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Fixed in 6.8.0-1022.22
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Fixed in 6.8.0-54.56.1
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Fixed in 6.8.0-1022.25
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Fixed in 6.11.0-1007.7
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Fixed in 6.8.0-1022.25.2
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Fixed in 6.11.0-1015.15
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Fixed in 6.8.0-1024.24
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Fixed in 6.8.0-1020.21
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Fixed in 6.8.0-1019.23
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Fixed in 6.8.0-53.55.1
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Fixed in 6.8.0-1017.18
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Fixed in 6.8.0-2018.19
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Fixed in 6.8.1-1016.17
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Fixed in 6.8.0-78.78+fips1
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Patch 6f6a6fda2945

Event History

Oct 21, 2024

CVE Published

via OSV·06:15 PM

Data Sourced

via OSV·06:15 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

Who can exploit this issue?

The issue has a local attack vector and requires low privileges. No user interaction is required.

What conditions are needed to trigger the problem?

The affected kernel journal code must encounter an error while cleaning the journal tail, such as an EIO error, while trying to recover journal space. The described path involves an ext4 inode-dirtying operation and a journal with insufficient free space.

What is the expected impact?

The reported impact is availability only; confidentiality and integrity impacts are listed as none. The failure can lead to a kernel warning after the journal code continues waiting despite having no way to obtain more journal space.

How can administrators identify a potentially affected system?

Check kernel logs for messages such as "JBD2: I/O error when updating journal superblock," "__jbd2_log_wait_for_space: needed ... blocks," and "no way to get more journal space," followed by a warning in __jbd2_log_wait_for_space. The affected Ubuntu kernel package families listed are linux, linux-fips, linux-aws, linux-azure, linux-aws-fips, linux-azure-fips, linux-gcp, and linux-gcp-fips.

UBUNTU-CVE-2024-49959: Medium severity ubuntu/linux vulnerability

Affected Software

Remediation

Event History

Frequently Asked Questions

Who can exploit this issue?

What conditions are needed to trigger the problem?

What is the expected impact?

How can administrators identify a potentially affected system?

Company

Resources

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