[DSA 6393-1] linux security update

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Debian Security Advisory DSA-6393-1                   [email protected]
https://www.debian.org/security/                     Salvatore Bonaccorso
July 21, 2026                         https://www.debian.org/security/faq
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Package        : linux
CVE ID         : CVE-2025-21807 CVE-2026-46093 CVE-2026-53027 CVE-2026-53226
                 CVE-2026-53392 CVE-2026-53399 CVE-2026-53402 CVE-2026-63815
                 CVE-2026-63816 CVE-2026-63818 CVE-2026-64187 CVE-2026-64189

Several vulnerabilities have been discovered in the Linux kernel that
may lead to a privilege escalation, denial of service or information
leaks.

For the stable distribution (trixie), these problems have been fixed in
version 6.12.96-1.

We recommend that you upgrade your linux packages.

For the detailed security status of linux please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/linux

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]
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