vulnerability
Arch Linux: Permission Race Condition During Resource Copy (CVE-2025-40909)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | May 30, 2025 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
May 30, 2025
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A flaw was found in the Perl standard library threads component. This vulnerability can allow a local attacker to exploit a race condition in directory handling to access files or load code from unexpected locations.
Solution
arch-linux-upgrade-latest
References
- CVE-2025-40909
- https://attackerkb.com/topics/CVE-2025-40909
- URL-https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1098226
- URL-https://github.com/Perl/perl5/commit/11a11ecf4bea72b17d250cfb43c897be1341861e
- URL-https://github.com/Perl/perl5/commit/918bfff86ca8d6d4e4ec5b30994451e0bd74aba9.patch
- URL-https://github.com/Perl/perl5/issues/10387
- URL-https://github.com/Perl/perl5/issues/23010
- URL-https://perldoc.perl.org/5.14.0/perl5136delta#Directory-handles-not-copied-to-threads
- URL-https://www.openwall.com/lists/oss-security/2025/05/22/2
- CWE-689
- CWE-426
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