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Red Hat Security Advisory

RHSA-2026:0536

kernel security update

Released 2026-01-14 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 10 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
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL OPDESC() simply indexes into nfsd4_ops[] by the op's operation number, without range checking…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00305 Published 2025-10-07 Partial fix · 5.10.220, 5.15.107 +3 CWE-787
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
TI-2022-26017 CVE-2022-50543 · GHSA-rjw2-5698-2f3h

RDMA/rxe: Fix mr->map double free

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr->map double free rxe_mr_cleanup() which tries to free mr->map again will be called when rxe_mr_init_user() fails: CPU: 0 PID: 4917 Comm…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00167 Published 2025-10-07 Partial fix · 5.20, 6.0.16 +2 CWE-415
TI-2023-29801 CVE-2023-53513 · GHSA-jvcg-848p-wjgf

nbd: fix incomplete validation of ioctl arg

Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: nbd: fix incomplete validation of ioctl arg We tested and found an alarm caused by nbd_ioctl arg without verification.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00149 Published 2025-10-01 Partial fix · 5.15.113, 6.1.30 +2 CWE-674
Priority LOW 21

In the Linux kernel, the following vulnerability has been resolved: mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required() KCSAN found an issue in obj_stock_flush_required(): stock->cached_objcg can be re…

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00139 Published 2025-09-18 Partial fix · 6.1.45, 6.4.10 +1 CWE-476