CVE-2024-41042
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: prefer nft_chain_validate nft_chain_validate already performs loop detection because a cycle will result in a call stack overflow (ctx->level >= NFT_JUMP_STACK_SIZE). It also follows maps via ->validate callback in nft_lookup, so there appears no reason to iterate the maps again. nf_tables_check_loops() and all its helper functions can be removed. This improves ruleset load time significantly, from 23s down to 12s. This also fixes a crash bug. Old loop detection code can result in unbounded recursion: BUG: TASK stack guard page was hit at .... Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN CPU: 4 PID: 1539 Comm: nft Not tainted 6.10.0-rc5+ #1 [..] with a suitable ruleset during validation of register stores. I can't see any actual reason to attempt to check for this from nft_validate_register_store(), at this point the transaction is still in progress, so we don't have a full picture of the rule graph. For nf-next it might make sense to either remove it or make this depend on table->validate_state in case we could catch an error earlier (for improved error reporting to userspace).
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.32%• Percentile: 25%
Techniques & Countermeasures
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected Systems
- debian•linux
< 5.10.226-1 | < 6.1.106-1 | < 6.9.10-1 | < 6.9.10-1
- debian•linux-6.1
< 6.1.119-1~deb11u1
- ubuntu•linux
all | < 5.4.0-200.220 | < 5.15.0-125.135 | < 6.8.0-48.48
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.4.0-1135.145 | < 5.15.0-1072.78 | < 6.8.0-1018.20
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1072.78~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1135.145~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1018.19~22.04.1
- ubuntu•linux-aws-fips
all | < 5.4.0-1135.145+fips1 | < 5.15.0-1072.78+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | < 5.4.0-1140.147 | < 5.15.0-1075.84 | < 6.8.0-1017.20
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1078.87~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1140.147~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1017.20~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
all | < 5.4.0-1140.147+fips1 | < 5.15.0-1075.84+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1095.102 | < 5.15.0-1056.58
- ubuntu•linux-fips
all | < 5.4.0-1109.119 | < 5.15.0-125.135+fips1 | < 6.8.0-78.78+fips1
- ubuntu•linux-gcp
all | all | < 5.4.0-1139.148 | < 5.15.0-1071.79 | < 6.8.0-1017.19
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1071.79~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1139.148~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-6.8
< 6.8.0-1017.19~22.04.1
- ubuntu•linux-gcp-fips
all | < 5.4.0-1139.148+fips1 | < 5.15.0-1071.79+fips1
Showing first 50 affected entries in server-rendered view.
References (35)
- https://git.kernel.org/stable/c/1947e4c3346faa8ac7e343652c0fd3b3e394202f
- https://git.kernel.org/stable/c/cd4348e0a50286282c314ad6d2b0740e7c812c24
- https://git.kernel.org/stable/c/31c35f9f89ef585f1edb53e17ac73a0ca4a9712b
- https://git.kernel.org/stable/c/8246b7466c8da49d0d9e85e26cbd69dd6d3e3d1e
- https://git.kernel.org/stable/c/b6b6e430470e1c3c5513311cb35a15a205595abe
- https://git.kernel.org/stable/c/717c91c6ed73e248de6a15bc53adefb81446c9d0
- https://git.kernel.org/stable/c/9df785aeb7dcc8efd1d4110bb27d26005298ebae
- https://git.kernel.org/stable/c/cff3bd012a9512ac5ed858d38e6ed65f6391008c
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://ubuntu.com/security/CVE-2024-41042
- https://www.cve.org/CVERecord?id=CVE-2024-41042
- https://git.kernel.org/linus/cff3bd012a9512ac5ed858d38e6ed65f6391008c
- https://ubuntu.com/security/notices/USN-7088-1
- https://ubuntu.com/security/notices/USN-7089-1
- https://ubuntu.com/security/notices/USN-7090-1
- https://ubuntu.com/security/notices/USN-7088-2
- https://ubuntu.com/security/notices/USN-7089-2
- https://ubuntu.com/security/notices/USN-7088-3
- https://ubuntu.com/security/notices/USN-7089-3
- https://ubuntu.com/security/notices/USN-7095-1
- https://ubuntu.com/security/notices/USN-7088-4
- https://ubuntu.com/security/notices/USN-7100-1
- https://ubuntu.com/security/notices/USN-7100-2
- https://ubuntu.com/security/notices/USN-7089-4
- https://ubuntu.com/security/notices/USN-7089-5
- https://ubuntu.com/security/notices/USN-7088-5
- https://ubuntu.com/security/notices/USN-7089-6
- https://ubuntu.com/security/notices/USN-7119-1
- https://ubuntu.com/security/notices/USN-7089-7
- https://ubuntu.com/security/notices/USN-7123-1
- https://ubuntu.com/security/notices/USN-7144-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://ubuntu.com/security/notices/USN-7194-1
- https://security-tracker.debian.org/tracker/CVE-2024-41042