CVE-2024-36929
net: core: reject skb_copy(_expand) for fraglist GSO skbs
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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
References (10)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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