CVE-2022-49809
net/x25: Fix skb leak in x25_lapb_receive_frame()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 3.1
- 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
Summary
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 3.0.72 · fixed in 3.1
- Linux Linux
3.1
References 8
git.kernel.org
- stable/c/fda0ba7c84b46d10947c687320804b9de149a921
- stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118
- stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b
- stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1
- stable/c/9f00da9c866d506998bf0a3f699ec900730472da
- stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb
- stable/c/2d675be16a461310d738d93f9f1a00da62055c5a
- stable/c/2929cceb2fcf0ded7182562e4888afafece82cce