CVE-2024-26736
afs: Increase buffer size in afs_update_volume_status()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]
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
4.15
References 7
git.kernel.org
- stable/c/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5
- stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637
- stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43e
- stable/c/e8530b170e464017203e3b8c6c49af6e916aece1
- stable/c/6e6065dd25b661420fac19c34282b6c626fcd35e
- stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfa
- stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d