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SUSE 15 SP5: 2024:4120-1 important: Kernel RT memory leak and TCP issues

suse
Calendar Grey December 2, 2024
Dist Suse Esm H88
Apply essential patches for the Linux Kernel RT to fix critical security issues in openSUSE and ensure the robustness of your system.
* bsc#1225429 * bsc#1225733 * bsc#1229273 * bsc#1229553

Summary

## This update for the Linux Kernel 5.14.21-150500_13_30 fixes several issues. The following security issues were fixed: * CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool (bsc#1225429). * CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique() (bsc#1225733). * CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553). * CVE-2024-35949: btrfs: make sure that WRITTEN is set on all metadata blocks (bsc#1229273). ## 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 15.5 zypper in -t patch SUSE-2024-4120=1 SUSE-2024-4121=1 * SUSE Linux Enterprise Live Patching 15-SP5

Topics%20covered

Topics Covered

security advisory security update important memory leak SUSE TCP issues kernel RT

References

* bsc#1225429

* bsc#1225733

* bsc#1229273

* bsc#1229553

Cross-

* CVE-2021-47517

* CVE-2024-35949

* CVE-2024-36904

* CVE-2024-43861

CVSS scores:

* CVE-2021-47517 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H

* CVE-2024-35949 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-36904 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-43861 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-43861 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Live Patching 15-SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Real Time 15 SP5

* SUSE Linux Enterprise Server 15 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:4120-1
Release Date: 2024-12-02T09:14:50Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update important memory leak SUSE TCP issues kernel RT

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