CVE-2022-48641
netfilter: ebtables: fix memory leak when blob is malformed
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 4.14.295, 4.19.260, 5.4.215, 5.10.146, 5.15.71, and 1 more
- 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
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete, it "replaced" crash with a memory leak. The old code had an assignment to "ret" embedded into the conditional, restore this.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
From 4.14.292 · fixed in 4.14.295; From 4.19.257 · fixed in 4.19.260; From 5.4.212 · fixed in 5.4.215; From 5.10.140 · fixed in 5.10.146; From 5.15.64 · fixed in 5.15.71; From 5.19.6 · fixed in 5.19.12
References 7
git.kernel.org
- stable/c/754e8b74281dd54a324698803483f47cf3355ae1
- stable/c/1e98318af2f163eadaff815abcef38d27ca92c1e
- stable/c/11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab
- stable/c/ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee
- stable/c/d5917b7af7cae0e2804f9d127a03268035098b7f
- stable/c/38cf372b17f0a5f35c1b716a100532d539f0eb33
- stable/c/62ce44c4fff947eebdf10bb582267e686e6835c9