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Red Hat Security Advisory

RHSA-2025:23445

kernel security update

Released 2025-12-17 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 30 records

Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path Fix a use-after-free window by correcting the buffer release sequence in the deferred r…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00481 Published 2025-09-19 Partial fix · 5.4.299, 5.10.243 +6 CWE-787
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the retu…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00406 Published 2025-09-04 Partial fix · 5.4.297, 5.10.241 +7 CWE-416
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READ Since before the git era, NFSD has conserved the number of pages held by each nfsd thread by co…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00429 Published 2025-09-18 Partial fix · 5.10.220, 5.15.75 +3 CWE-787
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks prop…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00235 Published 2025-09-19 Partial fix · 5.4.299, 5.10.243 +6 CWE-416
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
TI-2023-29595 CVE-2023-53305 · GHSA-xw54-m5g5-fqcg

Bluetooth: L2CAP: Fix use-after-free

Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00232 Published 2025-09-16 Partial fix · 4.14.324, 4.19.293 +6 CWE-416
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 38

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request().

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.00585 Published 2025-11-12 Partial fix · 5.4.301, 5.10.246 +7
Priority LOW 38

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_ua…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00243 Published 2025-09-15 Partial fix · 4.14.326, 4.19.295 +7 CWE-191
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 35

In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2025-10-09 Partial fix · 5.4.300, 5.10.245 +6
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: sctp: linearize cloned gso packets in sctp_rcv A cloned head skb still shares these frag skbs in fraglist with the original head skb.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00171 Published 2025-09-04 Partial fix · 5.4.297, 5.10.241 +7 CWE-908
TI-2023-29663 CVE-2023-53373 · GHSA-gxr7-4mfg-37c7

crypto: seqiv - Handle EBUSY correctly

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv - Handle EBUSY correctly As it is seqiv only handles the special return value of EINPROGERSS, which means that in all other cases it will…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2025-09-18 Partial fix · 4.14.308, 4.19.276 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies() Fix a slab-out-of-bounds read that occurs in kmemdup() called from brcmf_get_assoc_ies(…

CVSS 3.1HIGH 8.1 Adjacent network No auth No interaction EPSS 0.00244 Published 2025-09-15 Partial fix · 4.14.315, 4.19.283 +7 CWE-125
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb); may be schedule, and then…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00164 Published 2025-09-18 Partial fix · 4.14.296, 4.19.262 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: iomap: iomap: fix memory corruption when recording errors during writeback Every now and then I see this crash on arm64: Unable to handle kernel NULL po…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00168 Published 2025-09-18 Partial fix · 5.10.271, 5.15.222 +3 CWE-787
TI-2022-25849 CVE-2022-50367 · GHSA-4hcm-79j9-x472

fs: fix UAF/GPF bug in nilfs_mdt_destroy

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: fs: fix UAF/GPF bug in nilfs_mdt_destroy In alloc_inode, inode_init_always() could return -ENOMEM if security_inode_alloc() fails, which causes inode->i…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00225 Published 2025-09-17 Partial fix · 4.9.331, 4.14.296 +7 CWE-416
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 33

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a race when updating an existing write After nfs_lock_and_join_requests() tests for whether the request is still attached to the mapping, nothi…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00159 Published 2025-09-05 Partial fix · 5.10.242, 5.15.191 +5 CWE-362
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 33

In the Linux kernel, the following vulnerability has been resolved: skbuff: skb_segment, Call zero copy functions before using skbuff frags Commit bf5c25d60861 ("skbuff: in skb_segment, call zerocopy functions once per n…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00205 Published 2025-09-17 Partial fix · 4.19.295, 5.4.257 +6 CWE-476
TI-2023-29473 CVE-2023-53178 · GHSA-hjrq-8p9v-7m4p

mm: fix zswap writeback race condition

Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00121 Published 2025-09-15 Partial fix · 6.1.30, 6.3.4 +1 CWE-362
Priority LOW 31

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface() There may be a bad USB audio device with a USB ID of (0x04fa, 0x4201) and…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00236 Published 2024-05-03 Partial fix · 4.9.328, 4.14.293 +6 CWE-125
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
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
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix mlx5_ib_get_hw_stats when used for device Currently, when mlx5_ib_get_hw_stats() is used for device (port_num = 0), there is a special ha…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00148 Published 2025-09-18 Partial fix · 5.15.87, 6.0.19 +2
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 24

In the Linux kernel, the following vulnerability has been resolved: net: sched: sfb: fix null pointer access issue when sfb_init() fails When the default qdisc is sfb, if the qdisc of dev_queue fails to be inited during…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00208 Published 2025-09-17 Partial fix · 5.10.152, 5.15.76 +2 CWE-476
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