# CVE-2021-47336: linux: In the Linux kernel, the following vulnerability has been resolved:  smackfs: restrict bytes count in smk_set_cipso()...

CVE-2021-47336 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47336, released May 21, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-47336
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 21, 2024

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.14.6-1 | [DEBIAN-CVE-2021-47336](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47336.md) | May 21, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.14.6-1 | [DEBIAN-CVE-2021-47336](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47336.md) | May 21, 2024 |
| Linux | linux Debian 14 | 5.14.6-1 | [DEBIAN-CVE-2021-47336](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47336.md) | May 21, 2024 |

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