CVE-2024-36929

net: core: reject skb_copy(_expand) for fraglist GSO skbs

State: Published
Severity: 7.5 High
Published: May 30, 2024
Updated: Oct 15, 2026
Reserved: May 30, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before faa83a7797f06cefed86731ba4baa3b4dfdc06c1Affected 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before c7af99cc21923a9650533c9d77265c8dd683a533Affected 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before 989bf6fd1e1d058e73a364dce1a0c53d33373f62Affected 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before cfe34d86ef9765c388f145039006bb79b6c81ac6Affected 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before aea5e2669c2863fdd8679c40ee310b3bcaa85aecAffected 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before d091e579b864fa790dd6a0cd537a22c383126681Affected
LinuxLinux	5.6Affected before 5.6Not affected 5.10.217 through 5.10.Not affected 5.15.159 through 5.15.Not affected 6.1.91 through 6.1.Not affected 6.6.31 through 6.6.Not affected 6.8.10 through 6.8.*Not affected 6.9 and laterNot affected

Product

Versions

LinuxLinux

3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before faa83a7797f06cefed86731ba4baa3b4dfdc06c1Affected
3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before c7af99cc21923a9650533c9d77265c8dd683a533Affected
3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before 989bf6fd1e1d058e73a364dce1a0c53d33373f62Affected
3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before cfe34d86ef9765c388f145039006bb79b6c81ac6Affected
3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before aea5e2669c2863fdd8679c40ee310b3bcaa85aecAffected
3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 to before d091e579b864fa790dd6a0cd537a22c383126681Affected

LinuxLinux

5.6Affected
before 5.6Not affected
5.10.217 through 5.10.*Not affected
5.15.159 through 5.15.*Not affected
6.1.91 through 6.1.*Not affected
6.6.31 through 6.6.*Not affected
6.8.10 through 6.8.*Not affected
6.9 and laterNot affected

References

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