CVE-2021-47336
smackfs: restrict bytes count in smk_set_cipso()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: smackfs: restrict bytes count in smk_set_cipso() Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: [PATCH] smackfs: restrict bytes count in smk_set_cipso() Commit 7ef4c19d245f3dc2 ("smackfs: restrict bytes count in smackfs write functions") missed that count > SMK_CIPSOMAX check applies to only format == SMK_FIXED24_FMT case.
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
3.5
References 8
git.kernel.org
- stable/c/5f9880403e6b71d56924748ba331daf836243fca
- stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2
- stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d
- stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6
- stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0
- stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b
- stable/c/258fd821f69378453c071b9dd767b298810fc766
- stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd