vulnerability
Arch Linux: Denial of service (CVE-2017-13721)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:N/C:N/I:N/A:P) | Oct 9, 2017 | Jul 11, 2025 | Nov 27, 2025 |
Severity
2
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:P)
Published
Oct 9, 2017
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A denial of service vulnerability was found in xorg-server in the ProcShmCreateSegment function due to a missing shmseg resource ids validation. A passed shmseg resource id may belong to a non-existing client and abort X server with FatalError "client not in use", or overwrite existing segment of another existing client.
Solution
arch-linux-upgrade-latest
References
- CVE-2017-13721
- https://attackerkb.com/topics/CVE-2017-13721
- URL-http://www.debian.org/security/2017/dsa-4000
- URL-http://www.openwall.com/lists/oss-security/2017/10/04/10
- URL-http://www.securityfocus.com/bid/101238
- URL-https://cgit.freedesktop.org/xorg/xserver/commit/?id=b95f25af141d33a65f6f821ea9c003f66a01e1f1
- URL-https://lists.x.org/archives/xorg-announce/2017-October/002808.html
- URL-https://security.archlinux.org/ASA-201710-10
- URL-https://security.gentoo.org/glsa/201710-30
- CWE-269
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