CVE-2024-57834: media: vidtv: Fix a null-ptr-deref in vidtv_mux_stop_thread

Q: What is the severity of CVE-2024-57834?

CVE-2024-57834 is categorized with a moderate severity due to the potential for a null pointer dereference.

Q: How do I fix CVE-2024-57834?

To fix CVE-2024-57834, update your Linux kernel to the latest version where the vulnerability is patched.

Q: What kind of systems are affected by CVE-2024-57834?

CVE-2024-57834 affects systems running the Linux kernel that utilize the vidtv media driver.

Q: What is the impact of CVE-2024-57834?

The impact of CVE-2024-57834 includes possible application crashes or system instability due to a null pointer dereference.

Q: Who reported CVE-2024-57834?

CVE-2024-57834 was reported by syzbot, which is a tool used to find bugs in the Linux kernel.

Published Feb 27, 2025

Updated

In the Linux kernel, the following vulnerability has been resolved:

media: vidtv: Fix a null-ptr-deref in vidtvmuxstopthread

syzbot report a null-ptr-deref in vidtvmuxstopthread. [1]

If dvb->mux is not initialized successfully by vidtvmuxinit() in the vidtvstartstreaming(), it will trigger null pointer dereference about mux in vidtvmuxstopthread().

Adjust the timing of streaming initialization and check it before stopping it.

[1] KASAN: null-ptr-deref in range [0x0000000000000128-0x000000000000012f] CPU: 0 UID: 0 PID: 5842 Comm: syz-executor248 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:vidtvmuxstopthread+0x26/0x80 drivers/media/test-drivers/vidtv/vidtvmux.c:471 Code: 90 90 90 90 66 0f 1f 00 55 53 48 89 fb e8 82 2e c8 f9 48 8d bb 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 02 7e 3b 0f b6 ab 28 01 00 00 31 ff 89 ee e8 RSP: 0018:ffffc90003f2faa8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87cfb125 RDX: 0000000000000025 RSI: ffffffff87d120ce RDI: 0000000000000128 RBP: ffff888029b8d220 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: ffff888029b8d188 R13: ffffffff8f590aa0 R14: ffffc9000581c5c8 R15: ffff888029a17710 FS: 00007f7eef5156c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7eef5e635c CR3: 0000000076ca6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> vidtvstopstreaming drivers/media/test-drivers/vidtv/vidtvbridge.c:209 [inline] vidtvstopfeed+0x151/0x250 drivers/media/test-drivers/vidtv/vidtvbridge.c:252 dmxsectionfeedstopfiltering+0x90/0x160 drivers/media/dvb-core/dvbdemux.c:1000 dvbdmxdevfeedstop.isra.0+0x1ee/0x270 drivers/media/dvb-core/dmxdev.c:486 dvbdmxdevfilterstop+0x22a/0x3a0 drivers/media/dvb-core/dmxdev.c:559 dvbdmxdevfilterfree drivers/media/dvb-core/dmxdev.c:840 [inline] dvbdemuxrelease+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 fput+0x3f8/0xb60 fs/filetable.c:450 taskworkrun+0x14e/0x250 kernel/taskwork.c:239 getsignal+0x1d3/0x2610 kernel/signal.c:2790 archdosignalorrestart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exittousermodeloop kernel/entry/common.c:111 [inline] exittousermodeprepare include/linux/entry-common.h:329 [inline] syscallexittousermodework kernel/entry/common.c:207 [inline] syscallexittousermode+0x150/0x2a0 kernel/entry/common.c:218 dosyscall64+0xda/0x250 arch/x86/entry/common.c:89 entrySYSCALL64afterhwframe+0x77/0x7f

Affected Software

169 affected componentsFixes available

Linux Linux kernel

Linux Linux kernel<6.1.129

Linux Linux kernel>=6.2<6.6.79

Linux Linux kernel>=6.7<6.12.16

Linux Linux kernel>=6.13<6.13.4

Microsoft cbl2 kernel 5.15.182.1-1

Microsoft azl3 kernel 6.6.78.1-3

Patch available

Microsoft cbl2 kernel 5.15.182.1-1

Patch available

Microsoft cbl2 kernel 5.15.179.1-1

Patch available

Microsoft azl3 kernel 6.6.79.1-1

Patch available

debian/linux<6.1.129-1

6.1.129-1

debian/linux<6.12.16-1

6.12.16-1

debian/linux<6.12.16-1

6.12.16-1

debian/linux

6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

ubuntu/linux-hwe-edge*

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-azure*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-5.3*

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-edge*

ubuntu/linux-oem*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-aws-5.15<5.15.0-1084.91~20.04.1

5.15.0-1084.91~20.04.1

ubuntu/linux-azure-5.15<5.15.0-1089.98~20.04.1

5.15.0-1089.98~20.04.1

ubuntu/linux-gcp-5.15<5.15.0-1083.92~20.04.1

5.15.0-1083.92~20.04.1

ubuntu/linux-ibm-5.15<5.15.0-1076.79~20.04.1

5.15.0-1076.79~20.04.1

ubuntu/linux-intel-iotg-5.15<5.15.0-1079.85~20.04.1

5.15.0-1079.85~20.04.1

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-140.150~20.04.1

5.15.0-140.150~20.04.1

ubuntu/linux-oracle-5.15<5.15.0-1081.87~20.04.1

5.15.0-1081.87~20.04.1

ubuntu/linux-riscv-5.15<5.15.0-1079.83~20.04.1

5.15.0-1079.83~20.04.1

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-5.15<5.15.0-142.152~20.04.1

5.15.0-142.152~20.04.1

ubuntu/linux-hwe-5.8*

ubuntu/linux-intel-5.13*

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1039.39~20.04.1

5.15.0-1039.39~20.04.1

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<5.15.0-140.150

5.15.0-140.150

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1084.91

5.15.0-1084.91

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-aws-6.8<6.8.0-1035.37~22.04.1

6.8.0-1035.37~22.04.1

ubuntu/linux-azure<5.15.0-1089.98

5.15.0-1089.98

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-6.8<6.8.0-1034.39~22.04.1

6.8.0-1034.39~22.04.1

ubuntu/linux-azure-fde<5.15.0-1089.98.1

5.15.0-1089.98.1

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1083.92

5.15.0-1083.92

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gcp-6.8<6.8.0-1036.38~22.04.1

6.8.0-1036.38~22.04.1

ubuntu/linux-gke<5.15.0-1081.87

5.15.0-1081.87

ubuntu/linux-gkeop<5.15.0-1066.74

5.15.0-1066.74

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-hwe-6.8<6.8.0-78.78~22.04.1

6.8.0-78.78~22.04.1

ubuntu/linux-ibm<5.15.0-1076.79

5.15.0-1076.79

ubuntu/linux-ibm-6.8<6.8.0-1033.33~22.04.1

6.8.0-1033.33~22.04.1

ubuntu/linux-intel-iot-realtime*

ubuntu/linux-intel-iotg<5.15.0-1079.85

5.15.0-1079.85

ubuntu/linux-kvm<5.15.0-1080.85

5.15.0-1080.85

ubuntu/linux-lowlatency<5.15.0-140.150

5.15.0-140.150

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-lowlatency-hwe-6.8<6.8.0-78.78.1~22.04.1

6.8.0-78.78.1~22.04.1

ubuntu/linux-nvidia<5.15.0-1078.79

5.15.0-1078.79

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-nvidia-6.8<6.8.0-1035.38~22.04.1

6.8.0-1035.38~22.04.1

ubuntu/linux-nvidia-tegra<5.15.0-1037.37

5.15.0-1037.37

ubuntu/linux-nvidia-tegra-igx<5.15.0-1026.26

5.15.0-1026.26

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1081.87

5.15.0-1081.87

ubuntu/linux-oracle-6.5*

ubuntu/linux-oracle-6.8<6.8.0-1032.33~22.04.1

6.8.0-1032.33~22.04.1

ubuntu/linux-raspi<5.15.0-1078.81

5.15.0-1078.81

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-riscv-6.8<6.8.0-78.78~22.04.1

6.8.0-78.78~22.04.1

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-xilinx-zynqmp<5.15.0-1050.54

5.15.0-1050.54

ubuntu/linux-bluefield<5.15.0-1066.68

5.15.0-1066.68

ubuntu/linux-intel-iot-realtime<5.15.0-1077.79

5.15.0-1077.79

ubuntu/linux-realtime<5.15.0-1084.93

5.15.0-1084.93

ubuntu/linux-realtime-6.8<6.8.1-1030.31~22.04.1

6.8.1-1030.31~22.04.1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips<5.15.0-1084.91+fips1

5.15.0-1084.91+fips1

ubuntu/linux-azure-fips<5.15.0-1089.98+fips1

5.15.0-1089.98+fips1

ubuntu/linux-fips<5.15.0-140.150+fips1

5.15.0-140.150+fips1

ubuntu/linux-gcp-fips<5.15.0-1083.92+fips1

5.15.0-1083.92+fips1

ubuntu/linux<6.8.0-78.78

6.8.0-78.78

ubuntu/linux-aws<6.8.0-1035.37

6.8.0-1035.37

ubuntu/linux-azure<6.8.0-1034.39

6.8.0-1034.39

ubuntu/linux-azure-6.11<6.11.0-1015.15~24.04.1

6.11.0-1015.15~24.04.1

ubuntu/linux-azure-nvidia<6.8.0-1022.23

6.8.0-1022.23

ubuntu/linux-gcp<6.8.0-1036.38

6.8.0-1036.38

ubuntu/linux-gcp-6.11<6.11.0-1015.15~24.04.1

6.11.0-1015.15~24.04.1

ubuntu/linux-gke<6.8.0-1032.36

6.8.0-1032.36

ubuntu/linux-gkeop<6.8.0-1019.21

6.8.0-1019.21

ubuntu/linux-hwe-6.11<6.11.0-26.26~24.04.1

6.11.0-26.26~24.04.1

ubuntu/linux-ibm<6.8.0-1033.33

6.8.0-1033.33

ubuntu/linux-intel*

ubuntu/linux-lowlatency<6.8.0-78.78.1

6.8.0-78.78.1

ubuntu/linux-lowlatency-hwe-6.11<6.11.0-1014.15~24.04.1

6.11.0-1014.15~24.04.1

ubuntu/linux-nvidia<6.8.0-1035.38

6.8.0-1035.38

ubuntu/linux-nvidia-6.11<6.11.0-1010.10

6.11.0-1010.10

ubuntu/linux-nvidia-lowlatency<6.8.0-1035.38.1

6.8.0-1035.38.1

ubuntu/linux-nvidia-tegra<6.8.0-1009.9

6.8.0-1009.9

ubuntu/linux-oem-6.11<6.11.0-1022.22

6.11.0-1022.22

ubuntu/linux-oem-6.8*

ubuntu/linux-oracle<6.8.0-1032.33

6.8.0-1032.33

ubuntu/linux-raspi<6.8.0-1035.39

6.8.0-1035.39

ubuntu/linux-raspi-realtime*

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-xilinx<6.8.0-1017.18

6.8.0-1017.18

ubuntu/linux-raspi-realtime<6.8.0-2028.29

6.8.0-2028.29

ubuntu/linux-realtime<6.8.1-1030.31

6.8.1-1030.31

ubuntu/linux-fips<6.8.0-78.78+fips1

6.8.0-78.78+fips1

ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.129-1
Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.12.16-1
Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
Upgrade
Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1084.91~20.04.1
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Fixed in 5.15.0-1089.98~20.04.1
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Fixed in 5.15.0-1083.92~20.04.1
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Fixed in 5.15.0-1076.79~20.04.1
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Fixed in 5.15.0-1079.85~20.04.1
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Fixed in 5.15.0-140.150~20.04.1
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Fixed in 5.15.0-1081.87~20.04.1
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Fixed in 5.15.0-1079.83~20.04.1
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Fixed in 5.15.0-142.152~20.04.1
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Fixed in 5.15.0-1039.39~20.04.1
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Fixed in 5.15.0-140.150
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Fixed in 5.15.0-1084.91
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Fixed in 6.8.0-1035.37~22.04.1
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Fixed in 5.15.0-1089.98
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Fixed in 6.8.0-1034.39~22.04.1
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Fixed in 5.15.0-1089.98.1
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Fixed in 5.15.0-1083.92
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Fixed in 6.8.0-1036.38~22.04.1
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Fixed in 5.15.0-1081.87
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Fixed in 5.15.0-1066.74
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Fixed in 6.8.0-78.78~22.04.1
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Fixed in 5.15.0-1076.79
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Fixed in 6.8.0-1033.33~22.04.1
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Fixed in 5.15.0-1079.85
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Fixed in 5.15.0-1080.85
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Fixed in 5.15.0-140.150
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Fixed in 6.8.0-78.78.1~22.04.1
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Fixed in 5.15.0-1078.79
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Fixed in 6.8.0-1035.38~22.04.1
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Fixed in 5.15.0-1037.37
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Fixed in 5.15.0-1026.26
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Fixed in 5.15.0-1081.87
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Fixed in 6.8.0-1032.33~22.04.1
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Fixed in 5.15.0-1078.81
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Fixed in 6.8.0-78.78~22.04.1
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Fixed in 5.15.0-1050.54
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Fixed in 5.15.0-1066.68
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Fixed in 5.15.0-1077.79
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Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1084.93
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Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.1-1030.31~22.04.1
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Fixed in 5.15.0-1084.91+fips1
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Fixed in 5.15.0-1089.98+fips1
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Fixed in 5.15.0-140.150+fips1
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Fixed in 5.15.0-1083.92+fips1
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Fixed in 6.8.0-78.78
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Fixed in 6.8.0-1035.37
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Fixed in 6.8.0-1034.39
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Fixed in 6.11.0-1015.15~24.04.1
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Fixed in 6.8.0-1022.23
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Fixed in 6.8.0-1036.38
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Fixed in 6.11.0-1015.15~24.04.1
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Fixed in 6.8.0-1032.36
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Fixed in 6.8.0-1019.21
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Fixed in 6.11.0-26.26~24.04.1
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Fixed in 6.8.0-1033.33
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Fixed in 6.8.0-78.78.1
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Fixed in 6.11.0-1014.15~24.04.1
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Fixed in 6.8.0-1035.38
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Fixed in 6.11.0-1010.10
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Fixed in 6.8.0-1035.38.1
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Fixed in 6.8.0-1009.9
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Fixed in 6.11.0-1022.22
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Fixed in 6.8.0-1032.33
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Fixed in 6.8.0-1035.39
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Fixed in 6.8.0-1017.18
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Fixed in 6.8.0-2028.29
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Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 6.8.1-1030.31
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 6.8.0-78.78+fips1

Event History

Feb 27, 2025

CVE Published

via MITRE·02:18 AM

Data Sourced

via MITRE·02:18 AM

Description

Data Sourced

via OSV·03:15 AM

DescriptionSeverityAffected Software

Data Sourced

via NVD·03:15 AM

RemedyDescriptionSeverityWeaknessAffected Software

Apr 9, 2025

Data Sourced

via Microsoft·07:00 AM

DescriptionSeverityWeakness

Data Sourced

via Microsoft·07:00 AM

Affected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

What is the severity of CVE-2024-57834?

CVE-2024-57834 is categorized with a moderate severity due to the potential for a null pointer dereference.

How do I fix CVE-2024-57834?

To fix CVE-2024-57834, update your Linux kernel to the latest version where the vulnerability is patched.

What kind of systems are affected by CVE-2024-57834?

CVE-2024-57834 affects systems running the Linux kernel that utilize the vidtv media driver.

What is the impact of CVE-2024-57834?

The impact of CVE-2024-57834 includes possible application crashes or system instability due to a null pointer dereference.

Who reported CVE-2024-57834?

CVE-2024-57834 was reported by syzbot, which is a tool used to find bugs in the Linux kernel.

CVE-2024-57834: media: vidtv: Fix a null-ptr-deref in vidtv_mux_stop_thread

Affected Software

Remediation

Event History

Peer vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2024-57834?

How do I fix CVE-2024-57834?

What kind of systems are affected by CVE-2024-57834?

What is the impact of CVE-2024-57834?

Who reported CVE-2024-57834?

Company

Resources

Contact