ALSA-2026:70402

[ALSA-2026:70402] Important: kernel security, bug fix, and enhancement update

Type:

security

Severity:

important

Release date:

2026-09-23

Description:

The kernel packages contain the Linux kernel, the core of any Linux operating system.  

Security Fix(es):  

  * kernel: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)
  * kernel: Linux kernel Bluetooth: Denial of Service via race condition in hidp_session_thread (CVE-2023-54120)
  * kernel: Bluetooth: L2CAP: Fix potential user-after-free (CVE-2023-54214)
  * kernel: Bluetooth: btusb: revert use of devm_kzalloc in btusb (CVE-2025-71082)
  * kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response (CVE-2026-43334)
  * kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry (CVE-2026-45894)
  * kernel: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (CVE-2026-46043)
  * kernel: RDMA/rxe: Reject unknown opcodes before ICRC processing (CVE-2026-46133)
  * kernel: Bluetooth: serialize accept_q access (CVE-2026-52918)
  * kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062)
  * kernel: iommu/amd: Fix clone_alias() to use the original device's devid (CVE-2026-53053)
  * kernel: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() (CVE-2026-53256)
  * kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers (CVE-2026-53254)
  * kernel: keys: Pin request_key_auth payload in instantiate paths (CVE-2026-63823)
  * kernel: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp (CVE-2026-63975)
  * kernel: Bluetooth: HIDP: fix missing length checks in hidp_input_report() (CVE-2026-63947)
  * kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)
  * kernel: RDMA/rxe: Fix a use-after-free problem in rxe_mmap (CVE-2026-64582)
  * kernel: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads (CVE-2026-68293)
  * kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios (CVE-2026-68188)


Bug Fix(es) and Enhancement(s):  

  * Intel IOMMU: possible circular locking dependency (JIRA:AlmaLinux-243217)
  * xfs: repeated xfs_trans_cancel called from xfs_iomap_write_direct (JIRA:AlmaLinux-251578)


For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References:

Updated packages listed below:

Architecture	Package	Checksum
aarch64	kernel-debug-modules-extra-4.18.0-553.166.1.el8_10.aarch64.rpm	00a504746597f31c3a05072ae0084c0105431733ed476dc01ad516d1658db766
aarch64	kernel-headers-4.18.0-553.166.1.el8_10.aarch64.rpm	0779dda0322e4c96ae35ad18c312b0b608b361d9e0cf8f43b8c259b544249cab
aarch64	kernel-debug-modules-4.18.0-553.166.1.el8_10.aarch64.rpm	0a073803af40a8b1f4f67ae2900ca6078c1afc6d9b6ed4143087abfd5065f939
aarch64	kernel-core-4.18.0-553.166.1.el8_10.aarch64.rpm	10bf7b48ecd6fb59a378cc1166391a453127531daa298bdbca2d229cf324bc0c
aarch64	kernel-tools-libs-devel-4.18.0-553.166.1.el8_10.aarch64.rpm	2b00c3ec45aadd0f359eac3ed9307f34835b2790d1f9b42c82070888a6a4f7cd
aarch64	kernel-debug-core-4.18.0-553.166.1.el8_10.aarch64.rpm	34d346f5aae371752d8aa61d395e3b433e4962c2e579bdacd94a874d15b4ed76
aarch64	kernel-cross-headers-4.18.0-553.166.1.el8_10.aarch64.rpm	3c00f569015436f5e07112cab94c9a5dbc4a62b76af84dd1881f6fcf11af9c33
aarch64	kernel-debug-4.18.0-553.166.1.el8_10.aarch64.rpm	3ddd0c33d376de8bf6916d50f2a2426f7c79cc70d3ebd28c2c9c623fc2cd0094
aarch64	kernel-modules-extra-4.18.0-553.166.1.el8_10.aarch64.rpm	7ddb6c7c82aac060c70fa1ca05027f9e842e09b5048fbf505c9d8a927861c52a
aarch64	kernel-devel-4.18.0-553.166.1.el8_10.aarch64.rpm	83adeb690fea9c7e7f82a6b866b481037ea452908e49da1ffe5cde5530950fe0
aarch64	python3-perf-4.18.0-553.166.1.el8_10.aarch64.rpm	8717c9bdfeb9da67612bd415d1f795fdd43ba3e36cbf530b1e3f4a8cc2c37089
aarch64	kernel-tools-libs-4.18.0-553.166.1.el8_10.aarch64.rpm	903516afc4dddd546cfa4003c4ba61358eae6a1d90c82b8c0becb827805fd99a
aarch64	kernel-4.18.0-553.166.1.el8_10.aarch64.rpm	9f6303cd684b52d5eff10952a643fda950198940c4cd2227110002192b03080d
aarch64	kernel-modules-4.18.0-553.166.1.el8_10.aarch64.rpm	a1445fe199c52b0acae3938fb4acd68a5695b0dbb1d6297be599b8c5c01c1637
aarch64	kernel-tools-4.18.0-553.166.1.el8_10.aarch64.rpm	e2d9305d2fa892df4e8e5909b5ec78c6f7cee0202cc5c156f68683efc9e102fe
aarch64	bpftool-4.18.0-553.166.1.el8_10.aarch64.rpm	e7a9f8545eb0b8aa0e740c567f4e62195a35be332f7f1c8b55e7f8e4ebd398ae
aarch64	kernel-debug-devel-4.18.0-553.166.1.el8_10.aarch64.rpm	e8a9cca3106f5981f99294b40311195ae0cc65b6539ce967d057120d19426728
aarch64	perf-4.18.0-553.166.1.el8_10.aarch64.rpm	ef233dda6be8c94b83b1e50d6e130a463233e8969317c43880e79aa1f83c411e
noarch	kernel-abi-stablelists-4.18.0-553.166.1.el8_10.noarch.rpm	1fe72fe57d7ea3549361b403e1065c3223284dd6d833786b6a81ca01c399349d
noarch	kernel-doc-4.18.0-553.166.1.el8_10.noarch.rpm	b5bd605c805110858a543f05890b261260a9b7fd702c076327ccb5777edfc7a1
ppc64le	kernel-modules-extra-4.18.0-553.166.1.el8_10.ppc64le.rpm	1131a3db5578857bc5ee1688073f3786af618ebaccd6e74075ba7ab81e7c7578
ppc64le	kernel-debug-modules-4.18.0-553.166.1.el8_10.ppc64le.rpm	1e012159d1575aaa9bdffe8f7268799534d8e2ff132dfff2cfd69e7240b655a4
ppc64le	kernel-debug-devel-4.18.0-553.166.1.el8_10.ppc64le.rpm	3cb7d068f9b277838bde914a4c76987228994d5bc1b59191ca42ce8f5fa059d1
ppc64le	kernel-debug-modules-extra-4.18.0-553.166.1.el8_10.ppc64le.rpm	4162d0cc05910b414b37fbbc8125801d991c63d3c745d7ff4f5dbb186c06c220
ppc64le	kernel-modules-4.18.0-553.166.1.el8_10.ppc64le.rpm	430a4c545104d780695562e93b753430096537dc5bcf0b433233f7e9b57b15e0
ppc64le	kernel-4.18.0-553.166.1.el8_10.ppc64le.rpm	499acaf6f7fbeff464b4f5fc174b833ea7bb6a2531f684639e3b2e2b77a03af0
ppc64le	kernel-tools-libs-4.18.0-553.166.1.el8_10.ppc64le.rpm	56cf71ef60de608aea5cd31e40a9d95080f517ab2aeae4723fa592353eb0de2a
ppc64le	kernel-debug-4.18.0-553.166.1.el8_10.ppc64le.rpm	641ccd10ca3037ba826d0d9b165c5f726725d20f45f899619549c503de4cb5f3
ppc64le	python3-perf-4.18.0-553.166.1.el8_10.ppc64le.rpm	7162b8ea82a52c91f9b1b58958f613f44e131c110c7d874b9d696fbfec896e84
ppc64le	kernel-headers-4.18.0-553.166.1.el8_10.ppc64le.rpm	739f49c4b4a92ea3349e17325f031232ef14bc9f745ca94604941a79cbb07780
ppc64le	kernel-debug-core-4.18.0-553.166.1.el8_10.ppc64le.rpm	7ed5e204493c4deb28c05ca8be297066cd9e579a32683b34c92722045fabf9d8
ppc64le	perf-4.18.0-553.166.1.el8_10.ppc64le.rpm	a69088575206ac56ca482ebb50a13808d30629b2c18dc699b21e1384d627c160
ppc64le	kernel-core-4.18.0-553.166.1.el8_10.ppc64le.rpm	a6ed5b95cae001450b3c156be45b7f55167a87d9abe86ffccb9c8624358ff2b1
ppc64le	kernel-devel-4.18.0-553.166.1.el8_10.ppc64le.rpm	ac89b82d36e5fec94843a0a88cd9df300425a2b39535f9f11b081c41971c7041
ppc64le	kernel-cross-headers-4.18.0-553.166.1.el8_10.ppc64le.rpm	b36f9df5688f6241baea59106813478ff4eedacfc6314fc3068b67520c8cbe96
ppc64le	kernel-tools-libs-devel-4.18.0-553.166.1.el8_10.ppc64le.rpm	b8839530cde7cd43e195d30a28643dde5e0cb416600662edb9c1b0d18cf8b961
ppc64le	kernel-tools-4.18.0-553.166.1.el8_10.ppc64le.rpm	cb7cf46f94f9e2e132a9d46b18ce50c32bbe99016db430545bac459d85497720
ppc64le	bpftool-4.18.0-553.166.1.el8_10.ppc64le.rpm	dd93eb162bc5b48b519ea0bf22de735298bd522a36fcbd5cb2564d035afa6d73
s390x	kernel-zfcpdump-modules-extra-4.18.0-553.166.1.el8_10.s390x.rpm	1a51bc84c2c6dce4551567575f8ba8c8c66ec3eda39cecf1e0baf38a0a8f72f6
s390x	perf-4.18.0-553.166.1.el8_10.s390x.rpm	24203fef6550316df371b2758d96f1a396e2b43b0e85ad8196b59d02c169008d
s390x	kernel-core-4.18.0-553.166.1.el8_10.s390x.rpm	2ec903a744eaf1502a992c94d8ca1edda5afa2b689290c4807eec23704d6f923
s390x	kernel-cross-headers-4.18.0-553.166.1.el8_10.s390x.rpm	46705f2ebcbfdb47cc68c59995cdd62b7d2f732cbd3491eda0ce267d0bdd6bc1
s390x	kernel-4.18.0-553.166.1.el8_10.s390x.rpm	4bb8e688013c6c659b8651f9b032fe3c1ca9a9422aa2e91e133d9a7785ee7ec1
s390x	kernel-zfcpdump-4.18.0-553.166.1.el8_10.s390x.rpm	4bc1d013ce5c3494de64b86d4c1c7562c75f4f78a3abe997dd001221dddae8b6
s390x	python3-perf-4.18.0-553.166.1.el8_10.s390x.rpm	57816a99fe7338e98eb0a399afb77beae57f1fcc594f17258eab1006f9053ace
s390x	kernel-debug-core-4.18.0-553.166.1.el8_10.s390x.rpm	596bf9d4934fd6ded5367b8e6b40fb60eecc56f1b2ccb85d4d786ac6325f05f8
s390x	kernel-zfcpdump-core-4.18.0-553.166.1.el8_10.s390x.rpm	6ea858ea745c3b005d80c484f473ddaf5c13616d637398689aaad28e8aa4ed55
s390x	kernel-modules-extra-4.18.0-553.166.1.el8_10.s390x.rpm	6ee9e8f444a1f08ca48abfbf0deb08701e4daf8de88d96ab21694847b3b722f7
s390x	kernel-debug-modules-extra-4.18.0-553.166.1.el8_10.s390x.rpm	792a6fd490eadf027491a12c42a63cc2557a7c64d98baa27bc700e4cf9711d47
s390x	kernel-debug-devel-4.18.0-553.166.1.el8_10.s390x.rpm	7b41acfb23a22015011dddb8c8fc10fd281f60a5458127bf36cf78f594386750
s390x	kernel-headers-4.18.0-553.166.1.el8_10.s390x.rpm	811876f6be0c14e66be04e678b7c3a3fcd1dfbecb22235a50730084015807af2
s390x	bpftool-4.18.0-553.166.1.el8_10.s390x.rpm	883d3eeadd00cb9de7a67ee3b79d5bbe1bdbea7c08316b4b682aadfeaf81c8e6
s390x	kernel-zfcpdump-modules-4.18.0-553.166.1.el8_10.s390x.rpm	b169376ebbddbb9264740d3715d83da835a672408766c7bd37146061c04aadc6
s390x	kernel-tools-4.18.0-553.166.1.el8_10.s390x.rpm	b353badae448d1fa8cc4b7a644045f5117209655361f3f7ffec38e4247591b0a
s390x	kernel-modules-4.18.0-553.166.1.el8_10.s390x.rpm	b9b44876417770ae63d34a07dc81dd5c30d7ed59c994252accaf222b2b2876ad
s390x	kernel-debug-modules-4.18.0-553.166.1.el8_10.s390x.rpm	c7fa6fbf6e5aada4135a6bb5186dd71c02b55cf361404956507e99b47712b153
s390x	kernel-devel-4.18.0-553.166.1.el8_10.s390x.rpm	d084c85f251a61b3a15ad40b34c375c4a16c4a5f483d10d6a1ef910566f57b7c
s390x	kernel-zfcpdump-devel-4.18.0-553.166.1.el8_10.s390x.rpm	df07577438685540a3e5f64bcb0ac96a81fa6da54c7806b7ac2e2ff5348402a1
s390x	kernel-debug-4.18.0-553.166.1.el8_10.s390x.rpm	e4c41539b0ff42a3af2f4b218552af0bdc9dbb4661d477fd026a07d7cb6affdb
x86_64	python3-perf-4.18.0-553.166.1.el8_10.x86_64.rpm	15fd8f7f925b633f9ad7000a67b9faeeec359fab9a1ebc299f21e54bcefaff4e
x86_64	kernel-debug-modules-4.18.0-553.166.1.el8_10.x86_64.rpm	3d96e54b61e101d8ee822aebf5e7e8e3a248e78bffa7cb7023c5b137feee8b0d
x86_64	kernel-debug-4.18.0-553.166.1.el8_10.x86_64.rpm	43443ebf2d945570158d720b111647b412eb1e1b8b0ac738afe4bcdc5dd834f2
x86_64	kernel-tools-libs-devel-4.18.0-553.166.1.el8_10.x86_64.rpm	4c274d977c1d824a4ab742e44993d44cf6cf2ed53c7c16c7427d44942a5eab8d
x86_64	kernel-debug-modules-extra-4.18.0-553.166.1.el8_10.x86_64.rpm	6600373aff758ac64e45226998f11c40563f6ced351cb13167cc302d092b1715
x86_64	kernel-modules-extra-4.18.0-553.166.1.el8_10.x86_64.rpm	7533c8416dcc40707f3cb3964c304cb77d69afd1f4570e26b1d4f9a870ed5a5b
x86_64	kernel-4.18.0-553.166.1.el8_10.x86_64.rpm	8d8ad7524f7fd8612882966664bf2f179034f28fb3040c43f9d9002ff87c6b62
x86_64	kernel-modules-4.18.0-553.166.1.el8_10.x86_64.rpm	91744d2d61b2ead7ad5afdf84ed3839ff282b342f82a6ef6e111c5b97253682b
x86_64	perf-4.18.0-553.166.1.el8_10.x86_64.rpm	91a42df6697a5334ccb0079ad102a1036a25f549023b81e1ac508e21254c4cdc
x86_64	kernel-debug-core-4.18.0-553.166.1.el8_10.x86_64.rpm	b41ef24a695a828625dcc11aefbc247563e78ea73272bd8071a2eeb0f9603be9
x86_64	bpftool-4.18.0-553.166.1.el8_10.x86_64.rpm	bd48f7030afac788357f0e413c76279321f23082ec27440c2e461be925629e5d
x86_64	kernel-headers-4.18.0-553.166.1.el8_10.x86_64.rpm	c5f9d99541131d903c51b20441742e568f4aad07208f3b79b645d4849a953d69
x86_64	kernel-devel-4.18.0-553.166.1.el8_10.x86_64.rpm	c7e0777e060eff8953e042bbd033d14614c6c3c762d3af6e115a2d44a1d8dc8f
x86_64	kernel-tools-4.18.0-553.166.1.el8_10.x86_64.rpm	cb355491bd28a6e5b7e123939b81bef7e74f694079a5303266e011ab9c1db4c7
x86_64	kernel-core-4.18.0-553.166.1.el8_10.x86_64.rpm	d9361949fd56e6b20d4dbe83cc41dc81b56ed33fe530170f7e626f4e308ac9b8
x86_64	kernel-cross-headers-4.18.0-553.166.1.el8_10.x86_64.rpm	d936ebcef15176897c6a87cb8b5f28018fa1761453f917afdbd27b8a292688cc
x86_64	kernel-tools-libs-4.18.0-553.166.1.el8_10.x86_64.rpm	db03fea49d95c220101dbb813bad4b56fab03018ba9433d2a5bfa76fe932534c
x86_64	kernel-debug-devel-4.18.0-553.166.1.el8_10.x86_64.rpm	f5cd54c3c350a721664c79504522c4d4c90c1788b896d236cdaa0d6416f64645

Notes:

This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.