CVE-2024-36929: net: core: reject skb_copy(_expand) for fraglist GSO skbs
First published: Thu May 30 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: net: core: reject skb_copy(_expand) for fraglist GSO skbs SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become invalid. Return NULL if such an skb is passed to skb_copy or skb_copy_expand, in order to prevent a crash on a potential later call to skb_gso_segment.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.217 | 5.10.217 |
| redhat/kernel | <5.15.159 | 5.15.159 |
| redhat/kernel | <6.1.91 | 6.1.91 |
| redhat/kernel | <6.6.31 | 6.6.31 |
| redhat/kernel | <6.8.10 | 6.8.10 |
| redhat/kernel | <6.9 | 6.9 |
| 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/989bf6fd1e1d058e73a364dce1a0c53d33373f62
- https://git.kernel.org/stable/c/aea5e2669c2863fdd8679c40ee310b3bcaa85aec
- https://git.kernel.org/stable/c/c7af99cc21923a9650533c9d77265c8dd683a533
- https://git.kernel.org/stable/c/cfe34d86ef9765c388f145039006bb79b6c81ac6
- https://git.kernel.org/stable/c/d091e579b864fa790dd6a0cd537a22c383126681
- https://git.kernel.org/stable/c/faa83a7797f06cefed86731ba4baa3b4dfdc06c1
- https://launchpad.net/bugs/cve/CVE-2024-36929
- https://access.redhat.com/security/cve/CVE-2024-36929
- https://lore.kernel.org/linux-cve-announce/2024053041-CVE-2024-36929-0329@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2284497
- https://access.redhat.com/errata/RHSA-2024:4902
- https://access.redhat.com/errata/RHSA-2024:5067
- https://access.redhat.com/errata/RHSA-2024:5066
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:5363
- https://access.redhat.com/errata/RHSA-2024:6993
- https://bugzilla.redhat.com/show_bug.cgi?id=2284496
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
- https://security.netapp.com/advisory/ntap-20240905-0010/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36929
- https://nvd.nist.gov/vuln/detail/CVE-2024-36929
- https://security-tracker.debian.org/tracker/CVE-2024-36929
- https://ubuntu.com/security/CVE-2024-36929
- https://git.kernel.org/linus/d091e579b864fa790dd6a0cd537a22c383126681
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-36929?
CVE-2024-36929 has a severity rating that requires attention due to its impact on network packet processing in the Linux kernel.
How do I fix CVE-2024-36929?
To mitigate CVE-2024-36929, upgrade to one of the patched kernel versions specified in the affected software section, such as 5.10.217, 5.15.159, or later.
What is the impact of CVE-2024-36929 on system performance?
CVE-2024-36929 can lead to issues with packet handling, which may affect network performance and stability.
Which Linux distributions are affected by CVE-2024-36929?
CVE-2024-36929 affects several Linux distributions that utilize the vulnerable kernel versions outlined in the affected software section.
Is there a workaround for CVE-2024-36929?
There are no specific workarounds for CVE-2024-36929; the recommended action is to apply the available kernel updates.
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