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Red Hat Security Advisory

RHSA-2026:0643

kernel security update

Released 2026-01-15 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 6 records

Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap o…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00585 Published 2025-12-16 Partial fix · 5.10.247, 5.15.197 +5
TI-2025-26645 CVE-2025-39973 · GHSA-j9g6-49hr-w92p

i40e: add validation for ring_len param

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: i40e: add validation for ring_len param The `ring_len` parameter provided by the virtual function (VF) is assigned directly to the hardware memory conte…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00158 Published 2025-10-15 Partial fix · 5.4.300, 5.10.245 +6
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible desc_ptr out-of-bounds accesses Sanitize possible desc_ptr out-of-bounds accesses in ses_enclosure_data_process().

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.0022 Published 2025-10-07 Partial fix · 4.14.308, 4.19.276 +6 CWE-125
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Wait for io return on terminate rport System crash due to use after free.

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00214 Published 2025-09-16 Partial fix · 4.14.322, 4.19.291 +6 CWE-416
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_que…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00158 Published 2025-10-15 Partial fix · 5.4.300, 5.10.245 +6
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_fill_dirent There is a race condition in the readdir concurrency process, which may access the rsp buffer after…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00218 Published 2025-06-18 Partial fix · 2.6.28, 5.4.294 +7 CWE-416