Read the docs
Red Hat Security Advisory

RHSA-2025:21667

kernel security update

Released 2025-11-18 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 19 records

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifs_oplock_break A race condition can occur in cifs_oplock_break() leading to a use-after-free of the cinode structu…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00458 Published 2025-08-16 Partial fix · 3.17, 4.10 +9 CWE-416
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: tls: separate no-async decryption request handling from async If we're not doing async, the handling is much simpler.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00342 Published 2025-08-28 Partial fix · 5.10.265, 5.15.216 +4 CWE-416
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction The commit 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") simplifi…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00415 Published 2025-07-04 Partial fix · 5.4.296, 5.10.240 +6 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
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00188 Published 2025-07-25 Partial fix · 6.6.99, 6.12.39 +2 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00225 Published 2025-05-02 Partial fix · 5.4.293, 5.10.237 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpi_info is not…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00199 Published 2025-06-18 Partial fix · 4.19.256, 5.4.211 +5 CWE-416
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: Fix a UAF bug on the error path of probing When the driver fails in snd_card_register() at probe time, it will free the 'bcd2k->midi_out_…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00246 Published 2025-06-18 Partial fix · 4.9.326, 4.14.291 +7 CWE-416
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: clear optc underflow before turn off odm clock [Why] After ODM clock off, optc underflow bit will be kept there always and clear not wo…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0029 Published 2025-06-18 Partial fix · 4.19.257, 5.4.212 +4
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: do_change_type(): refuse to operate on unmounted/not ours mounts Ensure that propagation settings can only be changed for mounts located in the caller's…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00219 Published 2025-07-30 Partial fix · 5.4.295, 5.10.239 +6
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: Fix race condition on qfq_aggregate A race condition can occur when 'agg' is modified in qfq_change_agg (called during qfq_enqueue)…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00141 Published 2025-07-28 Partial fix · 5.4.297, 5.10.241 +6 CWE-362
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 30

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton() against conversion to 0 bits Testing by the syzbot fuzzer showed that the HID core gets a shift-out-of-bounds exception when…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00171 Published 2025-08-19 Partial fix · 5.10.248, 5.15.198 +6 CWE-125
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
Priority LOW 25

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 Don't BUG/WARN on interrupt injection due to GIF being cleared, since it's trivial for…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00275 Published 2025-06-18 Partial fix · 4.9.326, 4.14.291 +7
TI-2025-25671 CVE-2025-38332 · GHSA-c38j-rpqw-ch4h

scsi: lpfc: Use memcpy() for BIOS version

Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Use memcpy() for BIOS version The strlcat() with FORTIFY support is triggering a panic because it thinks the target buffer will overflow alt…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00218 Published 2025-07-10 Partial fix · 5.4.295, 5.10.239 +6
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40e_clear_hw When the device sends a specific input, an integer underflow can occur, leading to MMIO…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00216 Published 2025-07-04 Partial fix · 5.4.295, 5.10.239 +6 CWE-191
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svc_proc_register() Currently, nfsd_proc_stat_init() ignores the return value of svc_proc_register().

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00206 Published 2025-04-16 Partial fix · 5.10.259, 5.15.210 +7 CWE-252
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb->len Packet length retrieved from skb data may be larger than the actual socket buffer length (up to 9026…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00191 Published 2025-05-02 Partial fix · 4.14.311, 4.19.279 +6 CWE-401