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Red Hat Security Advisory

RHSA-2025:15660

kernel security update

Released 2025-09-11 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 7 records

Priority CRITICAL 93KEV

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() If an exiting non-autoreaping task has already passed exit_notify…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.01357 Published 2025-07-22 Fixed in 5.4.295, 5.10.239 +6 CWE-367
Priority MEDIUM 47

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6_send() igmp6_send() can be called without RTNL or RCU being held.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.07804 Published 2025-02-27 Partial fix · 5.10.271, 5.15.222 +5 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipc_conn_close().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00217 Published 2025-07-25 Partial fix · 5.4.296, 5.10.240 +6 CWE-416
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: fix stuck flows on cleanup due to pending work To clear the flow table on flow table free, the following sequence normally happens…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00249 Published 2025-06-18 Partial fix · 5.15.64, 5.19.6 +1 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race huge_pmd_unshare() drops a reference on a page table that may have previously been shared across pro…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0016 Published 2025-06-28 Partial fix · 5.10.239, 5.15.186 +5 CWE-362
Priority LOW 31

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes.

CVSS 3.1MEDIUM 6.7 Local High privileges No interaction EPSS 0.00239 Published 2023-05-08 Partial fix CWE-416
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds Set the size to 6 instead of 2, since 'para' array is passed to 'rtw_fw_bt_wifi_c…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00187 Published 2025-07-03 Partial fix · 5.15.186, 6.1.142 +4 CWE-125