CVE-2024-36270: netfilter: tproxy: bail out if IP has been disabled on the device
In the Linux kernel, the following vulnerability has been resolved:
netfilter: tproxy: bail out if IP has been disabled on the device
syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [..] RIP: 0010:nftproxyladdr4+0xb7/0x340 net/ipv4/netfilter/nftproxyipv4.c:62 Call Trace: nfttproxyevalv4 net/netfilter/nfttproxy.c:56 [inline] nfttproxyeval+0xa9a/0x1a00 net/netfilter/nfttproxy.c:168
indevgetrcu() can return NULL, so check for this.
Other sources
In the Linux kernel, the following vulnerability has been resolved:
netfilter: tproxy: bail out if IP has been disabled on the device
The Linux kernel CVE team has assigned CVE-2024-36270 to this issue.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024062135-CVE-2024-36270-f7f7@gregkh/T
— Red Hat
Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference error. A local authenticated attacker could exploit this vulnerability to cause a denial of service.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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linux/Kernelto a version that resolves this vulnerability.Fixed in 5.4.278 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 5.10.219 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 5.15.161 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.1.93 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.6.33 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.9.4 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.94-1 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.9.7-1 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.4.278 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.10.219 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.15.161 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.1.93 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.6.33 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.9.4 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.10 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 4.4.0-1139.145 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 4.15.0-1184.199~14.04.1 - Upgrade
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ubuntu/linux-lts-xenialto a version that resolves this vulnerability.Fixed in 4.4.0-262.296~14.04.1 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 4.4.0-262.296 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 4.4.0-1177.192 - Upgrade
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ubuntu/linux-aws-hweto a version that resolves this vulnerability.Fixed in 4.15.0-1176.189~16.04.1 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 4.15.0-1184.199~16.04.1 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 4.15.0-1169.186~16.04.1 - Upgrade
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ubuntu/linux-hweto a version that resolves this vulnerability.Fixed in 4.15.0-232.244~16.04.1 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 4.4.0-1140.151 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 4.15.0-1138.149~16.04.1 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 4.4.0-1108.115 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 4.15.0-232.244 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 4.15.0-1176.189 - Upgrade
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ubuntu/linux-aws-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1130.140~18.04.1 - Upgrade
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ubuntu/linux-azure-4.15to a version that resolves this vulnerability.Fixed in 4.15.0-1184.199 - Upgrade
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ubuntu/linux-azure-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1135.142~18.04.1 - Upgrade
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ubuntu/linux-gcp-4.15to a version that resolves this vulnerability.Fixed in 4.15.0-1169.186 - Upgrade
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ubuntu/linux-gcp-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1134.143~18.04.1 - Upgrade
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ubuntu/linux-hwe-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-192.212~18.04.1 - Upgrade
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ubuntu/linux-ibm-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1077.82~18.04.1 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 4.15.0-1159.164 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 4.15.0-1138.149 - Upgrade
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ubuntu/linux-oracle-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1129.138~18.04.1 - Upgrade
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ubuntu/linux-raspi-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1114.126~18.04.1 - Upgrade
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ubuntu/linux-aws-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-2114.120 - Upgrade
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ubuntu/linux-azure-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-2093.99 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-1130.141 - Upgrade
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-2077.83 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 5.4.0-192.212 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 5.4.0-1130.140 - Upgrade
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ubuntu/linux-aws-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1069.75~20.04.1 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 5.4.0-1135.142 - Upgrade
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ubuntu/linux-azure-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1072.81~20.04.1 - Upgrade
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ubuntu/linux-bluefieldto a version that resolves this vulnerability.Fixed in 5.4.0-1090.97 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 5.4.0-1134.143 - Upgrade
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ubuntu/linux-gcp-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1068.76~20.04.1 - Upgrade
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ubuntu/linux-gkeopto a version that resolves this vulnerability.Fixed in 5.4.0-1097.101 - Upgrade
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ubuntu/linux-gkeop-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1052.59~20.04.1 - Upgrade
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ubuntu/linux-hwe-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-121.131~20.04.1 - Upgrade
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ubuntu/linux-ibmto a version that resolves this vulnerability.Fixed in 5.4.0-1077.82 - Upgrade
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ubuntu/linux-ibm-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1062.65~20.04.1 - Upgrade
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ubuntu/linux-intel-iotg-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1064.70~20.04.1 - Upgrade
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ubuntu/linux-iotto a version that resolves this vulnerability.Fixed in 5.4.0-1042.43 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 5.4.0-1118.125 - Upgrade
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ubuntu/linux-lowlatency-hwe-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-121.131~20.04.1 - Upgrade
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ubuntu/linux-nvidia-tegra-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1030.30~20.04.1 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 5.4.0-1129.138 - Upgrade
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ubuntu/linux-oracle-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1067.73~20.04.1 - Upgrade
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ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 5.4.0-1114.126 - Upgrade
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ubuntu/linux-riscv-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1065.69~20.04.1 - Upgrade
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ubuntu/linux-aws-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1130.140+fips1 - Upgrade
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ubuntu/linux-azure-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1135.142+fips1 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1104.114 - Upgrade
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1134.143+fips1 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 5.15.0-121.131 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 5.15.0-1069.75 - Upgrade
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ubuntu/linux-aws-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1015.16~22.04.1 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 5.15.0-1072.81 - Upgrade
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ubuntu/linux-azure-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1014.16~22.04.1 - Upgrade
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ubuntu/linux-azure-fdeto a version that resolves this vulnerability.Fixed in 5.15.0-1072.81.1 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 5.15.0-1068.76 - Upgrade
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ubuntu/linux-gcp-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1014.16~22.04.1 - Upgrade
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ubuntu/linux-gketo a version that resolves this vulnerability.Fixed in 5.15.0-1066.72 - Upgrade
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ubuntu/linux-gkeopto a version that resolves this vulnerability.Fixed in 5.15.0-1052.59 - Upgrade
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ubuntu/linux-hwe-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-45.45~22.04.1 - Upgrade
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ubuntu/linux-ibmto a version that resolves this vulnerability.Fixed in 5.15.0-1062.65 - Upgrade
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ubuntu/linux-ibm-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1012.12~22.04.1 - Upgrade
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ubuntu/linux-intel-iotgto a version that resolves this vulnerability.Fixed in 5.15.0-1064.70 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 5.15.0-1066.71 - Upgrade
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ubuntu/linux-lowlatencyto a version that resolves this vulnerability.Fixed in 5.15.0-121.131 - Upgrade
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ubuntu/linux-lowlatency-hwe-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-44.44.1~22.04.1 - Upgrade
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ubuntu/linux-nvidiato a version that resolves this vulnerability.Fixed in 5.15.0-1064.65 - Upgrade
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ubuntu/linux-nvidia-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1013.14~22.04.1 - Upgrade
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ubuntu/linux-nvidia-tegrato a version that resolves this vulnerability.Fixed in 5.15.0-1028.28 - Upgrade
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ubuntu/linux-nvidia-tegra-igxto a version that resolves this vulnerability.Fixed in 5.15.0-1016.16 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 5.15.0-1067.73 - Upgrade
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ubuntu/linux-oracle-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1012.12~22.04.1 - Upgrade
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ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 5.15.0-1062.65 - Upgrade
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ubuntu/linux-riscv-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-44.44.1~22.04.1 - Upgrade
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ubuntu/linux-xilinx-zynqmpto a version that resolves this vulnerability.Fixed in 5.15.0-1035.39 - Upgrade
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ubuntu/linux-bluefieldto a version that resolves this vulnerability.Fixed in 5.15.0-1052.54 - Upgrade
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ubuntu/linux-intel-iot-realtimeto a version that resolves this vulnerability.Fixed in 5.15.0-1063.65 - Upgrade
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ubuntu/linux-realtimeto a version that resolves this vulnerability.Fixed in 5.15.0-1070.78 - Upgrade
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ubuntu/linux-realtime-6.8to a version that resolves this vulnerability.Fixed in 6.8.1-1008.8~22.04.1 - Upgrade
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ubuntu/linux-aws-fipsto a version that resolves this vulnerability.Fixed in 5.15.0-1069.75+fips1 - Upgrade
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ubuntu/linux-azure-fipsto a version that resolves this vulnerability.Fixed in 5.15.0-1072.81+fips1 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 5.15.0-121.131+fips1 - Upgrade
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 5.15.0-1068.76+fips1 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 6.8.0-44.44 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 6.8.0-1015.16 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 6.8.0-1014.16 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 6.8.0-1014.16 - Upgrade
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ubuntu/linux-gketo a version that resolves this vulnerability.Fixed in 6.8.0-1010.13 - Upgrade
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ubuntu/linux-ibmto a version that resolves this vulnerability.Fixed in 6.8.0-1012.12 - Upgrade
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ubuntu/linux-lowlatencyto a version that resolves this vulnerability.Fixed in 6.8.0-44.44.1 - Upgrade
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ubuntu/linux-nvidiato a version that resolves this vulnerability.Fixed in 6.8.0-1013.14 - Upgrade
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ubuntu/linux-nvidia-lowlatencyto a version that resolves this vulnerability.Fixed in 6.8.0-1013.14.1 - Upgrade
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ubuntu/linux-oem-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1012.12 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 6.8.0-1012.12 - Upgrade
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ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 6.8.0-1011.12 - Upgrade
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ubuntu/linux-riscvto a version that resolves this vulnerability.Fixed in 6.8.0-44.44.1 - Upgrade
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ubuntu/linux-raspi-realtimeto a version that resolves this vulnerability.Fixed in 6.8.0-2010.10 - Upgrade
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ubuntu/linux-realtimeto a version that resolves this vulnerability.Fixed in 6.8.1-1008.8 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 6.8.0-78.78+fips1 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.116-1Fixed in 7.2.15-1Fixed in 7.3.4-1
Event History
Frequently Asked Questions
What is the severity of CVE-2024-36270?
CVE-2024-36270 is a critical vulnerability that can lead to a general protection fault in the Linux kernel.
How do I fix CVE-2024-36270?
To fix CVE-2024-36270, upgrade your Linux kernel to versions 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, or 6.10.
What versions of the Linux kernel are affected by CVE-2024-36270?
CVE-2024-36270 affects various versions of the Linux kernel, including those prior to 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, and 6.9.4.
Is there a workaround for CVE-2024-36270?
Currently, the best approach to mitigate CVE-2024-36270 is to update to a patched version of the kernel.
Which products are affected by CVE-2024-36270?
CVE-2024-36270 mainly affects the Linux kernel and the F5 Traffix SDC version 5.2.0.