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UBUNTU: Linux System Critical Security Patch 2025:04234-2

suse
Calendar Grey July 21, 2025
Dist Suse Esm H88
Crucial SUSE patch addresses vulnerabilities in the Linux Kernel; provides essential fixes and guidelines for implementation.
* bsc#1235769 * bsc#1238912 * bsc#1241579 * bsc#1244337

Summary

## This update for the Linux Kernel 6.4.0-150600_23_33 fixes several issues. The following security issues were fixed: * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579). * CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912). * CVE-2024-57793: virt: tdx-guest: Just leak decrypted memory on unrecoverable errors (bsc#1235769). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch SUSE-2025-2421=1 * SUSE Linux Enterprise Live Patching 15-SP6 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2421=1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important memory leak Linux kernel

References

* bsc#1235769

* bsc#1238912

* bsc#1241579

* bsc#1244337

Cross-

* CVE-2024-57793

* CVE-2025-21772

* CVE-2025-22115

CVSS scores:

* CVE-2024-57793 ( SUSE ): 6.2

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:H

* CVE-2024-57793 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H

* CVE-2025-21772 ( SUSE ): 8.5

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-21772 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-22115 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.6

* SUSE Linux Enterprise Live Patching 15-SP6

* SUSE Linux Enterprise Real Time 15 SP6

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02421-1
Release Date: 2025-07-21T08:05:10Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important memory leak Linux kernel

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