CVEvulnerability
CVE-2021-47336
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
Affected configurations
• linux linux kernel (< 4.9.276)
• linux linux kernel (>= 4.10 < 4.14.240)
• linux linux kernel (>= 4.15 < 4.19.198)
• linux linux kernel (>= 4.20 < 5.4.133)
• linux linux kernel (>= 5.5 < 5.10.51)
• linux linux kernel (>= 5.11 < 5.12.18)
• linux linux kernel (>= 5.13 < 5.13.3)
References
- https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 Patch
- https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 Patch
- https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 Patch
- https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd Patch
- https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 Patch
- https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca Patch
- https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b Patch
- https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d Patch
- https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 Patch
- https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 Patch
- https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 Patch
- https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd Patch
- https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 Patch
- https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca Patch
- https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b Patch
- https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d Patch