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Red Hat Security Advisory

RHSA-2026:0754

kernel-rt security update

Released 2026-01-19 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 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 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: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00229 Published 2025-05-08 Partial fix · 5.4.293, 5.10.237 +6 CWE-416