Security update for the Linux Kernel
The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-21726: padata: avoid UAF for reorder_work (bsc#1238865). - CVE-2025-21785: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (bsc#1238747). - CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1238512). - CVE-2025-22004: net: atm: fix use after free in lec_send() (bsc#1240835). - CVE-2025-22020: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (bsc#1241280). - CVE-2025-22055: net: fix geneve_opt length integer overflow (bsc#1241371).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-21726: padata: avoid UAF for reorder_work (bsc#1238865). - CVE-2025-21785: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (bsc#1238747). - CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1238512). - CVE-2025-22004: net: atm: fix use after free in lec_send() (bsc#1240835). - CVE-2025-22020: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (bsc#1241280). - CVE-2025-22055: net: fix geneve_opt length integer overflow (bsc#1241371).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1207034
- https://bugzilla.suse.com/1207878
- https://bugzilla.suse.com/1221980
- https://bugzilla.suse.com/1234931
- https://bugzilla.suse.com/1235433
- https://bugzilla.suse.com/1237984
- https://bugzilla.suse.com/1238512
- https://bugzilla.suse.com/1238747
- https://bugzilla.suse.com/1238865
- https://bugzilla.suse.com/1240210
- https://bugzilla.suse.com/1240308
- https://bugzilla.suse.com/1240835
- https://bugzilla.suse.com/1241280
- https://bugzilla.suse.com/1241371
- https://bugzilla.suse.com/1241404
- https://bugzilla.suse.com/1241405
- https://bugzilla.suse.com/1241407
- https://bugzilla.suse.com/1241408
- https://www.suse.com/security/cve/CVE-2020-36789
- https://www.suse.com/security/cve/CVE-2021-47163
- https://www.suse.com/security/cve/CVE-2021-47668
- https://www.suse.com/security/cve/CVE-2021-47669
- https://www.suse.com/security/cve/CVE-2021-47670
- https://www.suse.com/security/cve/CVE-2022-49111
- https://www.suse.com/security/cve/CVE-2023-0179
- https://www.suse.com/security/cve/CVE-2023-53026
- https://www.suse.com/security/cve/CVE-2023-53033
- https://www.suse.com/security/cve/CVE-2024-56642
- https://www.suse.com/security/cve/CVE-2024-56661
- https://www.suse.com/security/cve/CVE-2025-21726
- https://www.suse.com/security/cve/CVE-2025-21785
- https://www.suse.com/security/cve/CVE-2025-21791
- https://www.suse.com/security/cve/CVE-2025-22004
- https://www.suse.com/security/cve/CVE-2025-22020
- https://www.suse.com/security/cve/CVE-2025-22055
- https://www.suse.com/support/update/announcement/2025/suse-su-20251574-1/