CVE-2024-26642: netfilter: nf_tables: disallow anonymous set with timeout flag
First published: Thu Mar 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow anonymous set with timeout flag Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.8 | 6.8 |
| Linux Kernel | >=4.1<4.19.312 | |
| Linux Kernel | >=4.20<5.4.274 | |
| Linux Kernel | >=5.5<5.10.215 | |
| Linux Kernel | >=5.11<5.15.154 | |
| Linux Kernel | >=5.16<6.1.84 | |
| Linux Kernel | >=6.2<6.6.24 | |
| Linux Kernel | >=6.7<6.7.12 | |
| Debian Linux | =10.0 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/16603605b667b70da974bea8216c93e7db043bf1
- https://git.kernel.org/stable/c/72c1efe3f247a581667b7d368fff3bd9a03cd57a
- https://git.kernel.org/stable/c/7cdc1be24cc1bcd56a3e89ac4aef20e31ad09199
- https://git.kernel.org/stable/c/8e07c16695583a66e81f67ce4c46e94dece47ba7
- https://git.kernel.org/stable/c/c0c2176d1814b92ea4c8e7eb7c9cd94cd99c1b12
- https://git.kernel.org/stable/c/e4988d8415bd0294d6f9f4a1e7095f8b50a97ca9
- https://git.kernel.org/stable/c/e9a0d3f376eb356d54ffce36e7cc37514cbfbd6f
- https://git.kernel.org/stable/c/fe40ffbca19dc70d7c6b1e3c77b9ccb404c57351
- https://launchpad.net/bugs/cve/CVE-2024-26642
- https://access.redhat.com/security/cve/CVE-2024-26642
- https://lore.kernel.org/linux-cve-announce/2024032150-CVE-2024-26642-3549@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2270882
- https://access.redhat.com/errata/RHSA-2024:3306
- https://access.redhat.com/errata/RHSA-2024:3460
- https://access.redhat.com/errata/RHSA-2024:3461
- https://access.redhat.com/errata/RHSA-2024:3618
- https://access.redhat.com/errata/RHSA-2024:3627
- https://access.redhat.com/errata/RHSA-2024:3810
- https://access.redhat.com/errata/RHSA-2024:4107
- https://access.redhat.com/errata/RHSA-2024:5256
- https://access.redhat.com/errata/RHSA-2024:5257
- https://bugzilla.redhat.com/show_bug.cgi?id=2270881
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26642
- https://nvd.nist.gov/vuln/detail/CVE-2024-26642
- https://security-tracker.debian.org/tracker/CVE-2024-26642
- https://ubuntu.com/security/CVE-2024-26642
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://git.kernel.org/linus/16603605b667b70da974bea8216c93e7db043bf1
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-26642?
CVE-2024-26642 is considered a moderate severity vulnerability in the Linux kernel affecting netfilter functionality.
How do I fix CVE-2024-26642?
To remediate CVE-2024-26642, ensure your Linux kernel is updated to version 6.8 or the specific patched versions provided by your distribution.
What components are affected by CVE-2024-26642?
CVE-2024-26642 affects the netfilter component of the Linux kernel, particularly anonymous sets with timeout flags.
Is CVE-2024-26642 present in older kernel versions?
Yes, CVE-2024-26642 is present in certain older versions of the Linux kernel prior to the fixed releases.
Will CVE-2024-26642 affect system performance?
While the vulnerability primarily addresses a security concern, any associated bug in netfilter functionality could potentially impact system performance.
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