CVEvulnerability
CVE-2021-33655
6.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-07-18
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
Description
When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
Affected configurations
• linux linux kernel (< 5.19)
• linux linux kernel 5.19
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://www.openwall.com/lists/oss-security/2022/07/19/2 Mailing List, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 Mailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/07/19/2 Mailing List, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 Mailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com