net: core: reject skb_copy(_expand) for fraglist GSO skbs
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 · fixed in faa83a7797f06cefed86731ba4baa3b4dfdc06c1; From 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 · fixed in c7af99cc21923a9650533c9d77265c8dd683a533; From 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 · fixed in 989bf6fd1e1d058e73a364dce1a0c53d33373f62; From 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 · fixed in cfe34d86ef9765c388f145039006bb79b6c81ac6; From 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 · fixed in aea5e2669c2863fdd8679c40ee310b3bcaa85aec; From 3a1296a38d0cf62bffb9a03c585cbd5dbf15d596 · fixed in d091e579b864fa790dd6a0cd537a22c383126681
- Linux Linux
5.6
- KernelLinux
From 5.6.0 · fixed in 5.10.217; From 5.11.0 · fixed in 5.15.159; From 5.16.0 · fixed in 6.1.91; From 6.2.0 · fixed in 6.6.31; From 6.7.0 · fixed in 6.8.10