Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.9.276 |
References
- https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6Patch
- https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766Patch
- https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0Patch
- https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafdPatch
- https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2Patch
- https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fcaPatch
- https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512bPatch
- https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4dPatch
- https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6Patch
- https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766Patch
- https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0Patch
- https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafdPatch
- https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2Patch
- https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fcaPatch
- https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512bPatch
FAQ
What is CVE-2021-47336?
CVE-2021-47336 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 07571157c91b98ce1a4aa70967531e64b78e...
How severe is CVE-2021-47336?
CVE-2021-47336 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47336?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.