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Red Hat Security Advisory

RHSA-2026:0533

kernel security update

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

Fixed in

Fixes 11 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 42

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse.

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00564 Published 2025-10-22 Partial fix · 4.14.316, 4.19.284 +6
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
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 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-2025-26665 CVE-2025-39993 · GHSA-2c3m-5h4x-9w2g

media: rc: fix races with imon_disconnect()

Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imon_disconnect() Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in __create_pipe include/linux/usb.h:1945…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0016 Published 2025-10-15 Partial fix · 5.4.301, 5.10.246 +7
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename(2) Besides sending the rename request to the server, the rename process also involves closing any…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00118 Published 2025-09-16 Partial fix · 6.1.150, 6.6.104 +3 CWE-362
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory When I did memory failure tests, below panic occurs: page dumped because:…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00157 Published 2025-09-23 Partial fix · 5.4.300, 5.10.245 +6 CWE-125
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare Observed on kernel 6.6 (present on master as well): BUG: KASAN: slab-out-of-bounds in memcmp+0x98…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00167 Published 2025-09-16 Partial fix · 3.9, 5.4.298 +7 CWE-125
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