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Red Hat Security Advisory

RHSA-2025:22124

kernel-rt security update

Released 2025-11-25 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 14 records

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00449 Published 2025-09-05 Partial fix · 5.10.249, 5.15.190 +5 CWE-203
TI-2022-25867 CVE-2022-50386 · GHSA-q9hj-m4q6-fcrh

Bluetooth: L2CAP: Fix user-after-free

Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2cap_chan_hold_unless_zero() after calling __l2cap_get_chan_blah() to prevent the following trace: Blue…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00369 Published 2025-09-18 Partial fix · 4.9.331, 4.14.296 +7 CWE-416
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_sc…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00222 Published 2025-09-16 Partial fix · 4.14.316, 4.19.284 +7
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_stats_proc_write() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00238 Published 2024-05-19 Partial fix · 3.13, 6.1.85 +3 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded fi…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00206 Published 2025-09-07 Partial fix · 5.4.297, 5.10.241 +7
TI-2023-29549 CVE-2023-53257 · GHSA-5qfv-wj98-fqxv

wifi: mac80211: check S1G action frame size

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, check that it even exists in the frame.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00214 Published 2025-09-15 Partial fix · 5.15.133, 6.1.55 +2
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: fix skb leak and crash on ooo frags act_ct adds skb->users before defragmentation.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00644 Published 2024-03-18 Partial fix · 5.15.148, 6.1.75 +3 CWE-401
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 power domain descriptors, too UAC3 power domain descriptors need to be verified with its variable bLength for avoiding th…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.002 Published 2025-09-04 Partial fix · 5.4.297, 5.10.241 +7 CWE-787
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
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declare…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00179 Published 2025-09-11 Partial fix · 5.4.297, 5.10.241 +7 CWE-125
TI-2025-26970 CVE-2025-40300 · GHSA-x8qw-46ww-c957

x86/vmscape: Add conditional IBPB mitigation

Priority LOW 25

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a user…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00378 Published 2025-09-11 Partial fix · 3.17, 4.5 +7
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 24

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skb_under_panic in ip6mr_cache_report() skbuff: skb_under_panic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00194 Published 2025-09-17 Partial fix · 4.14.322, 4.19.291 +6
Priority LOW 21

In the Linux kernel, the following vulnerability has been resolved: ethtool: check device is present when getting link settings A sysfs reader can race with a device reset or removal, attempting to read device state when…

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00246 Published 2024-09-13 Partial fix · 5.4.283, 5.10.225 +5