CVE-2024-50143
udf: fix uninit-value use in udf_get_fileshortad
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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: total
Summary
In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After applying the patch reproducer did not trigger any issue[2]. [1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df [2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.12
References 8
git.kernel.org
- stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32b
- stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2
- stable/c/0ce61b1f6b32df822b59c680cbe8e5ba5d335742
- stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61
- stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7
- stable/c/1ac49babc952f48d82676979b20885e480e69be8
- stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58d
- stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1