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ALSA-2026:59723 — Important: kernel security, bug fix, and enhancement update

2026-10-03T04:34:13.561826+00:00

Affected: AlmaLinux:9: kernel, AlmaLinux:9: kernel-64k, AlmaLinux:9: kernel-64k-core, AlmaLinux:9: kernel-64k-debug, AlmaLinux:9: kernel-64k-debug-core, AlmaLinux:9: kernel-64k-debug-devel, AlmaLinux:9: kernel-64k-debug-devel-matched, AlmaLinux:9: kernel-64k-debug-modules, AlmaLinux:9: kernel-64k-debug-modules-core, AlmaLinux:9: kernel-64k-debug-modules-extra and 64 more

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

Security Fix(es):

* kernel: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211) * kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003) * kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114) * kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924) * kernel: netfilter: xt_policy: fix strict mode inbound policy matching (CVE-2026-52920) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131) * kernel: netfilter: conntrack_irc: fix possible out-of-bounds read (CVE-2026-53268) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189) * kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277) * kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276) * kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581)

Bug Fix(es) and Enhancement(s):

* [AlmaLinux-9.8.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:AlmaLinux-166118) * ss core dumped when there is an SCTP sessio…

bdu:2026-14027

2026-10-03T04:34:13.562008+00:00

bdu:2026-14027

BELL-CVE-2026-53185

2026-10-03T04:34:13.562029+00:00

Affected: Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts

certfr-2026-avi-1064 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un at…

2026-10-03T04:34:13.562053+00:00

certfr-2026-avi-1064

EUVD-2026-365503

2026-10-03T04:34:13.562069+00:00

EUVD-2026-365503

fkie_cve-2026-53185

2026-10-03T04:34:13.562080+00:00

In the Linux kernel, the following vulnerability has been resolved:

zram: fix use-after-free in zram_bvec_write_partial()

zram_read_page() picks the sync or async backing device read path based on whether the parent bio is NULL. zram_bvec_write_partial() passes its parent bio down, so for ZRAM_WB slots the read is dispatched asynchronously and zram_read_page() returns 0 while the bio is still in flight. The caller then runs memcpy_from_bvec(), zram_write_page() and __free_page() on the buffer, leaving the async read to write into a freed page.

zram_bvec_read_partial() was switched to NULL in commit 4e3c87b9421d ("zram: fix synchronous reads") for the same reason; the write_partial counterpart was missed.

GHSA-4pqw-3h25-qrq3

2026-10-03T04:34:13.562109+00:00

In the Linux kernel, the following vulnerability has been resolved:

zram: fix use-after-free in zram_bvec_write_partial()

zram_bvec_read_partial() was switched to NULL in commit 4e3c87b9421d ("zram: fix synchronous reads") for the same reason; the write_partial counterpart was missed.

openSUSE-SU-2026:21555-1 — Security update for the Linux Kernel

2026-10-03T04:34:13.562129+00:00

Security update for the Linux Kernel

RHSA-2026:63013 — Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

2026-10-03T04:34:13.562627+00:00

kernel: s390/cpum_sf: Handle CPU hotplug remove during sampling kernel: smc91x: fix broken irq-context in PREEMPT_RT kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down kernel: zram: fix use-after-free in zram_bvec_write_partial() kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr kernel: NFSv4/flexfiles: reject zero filehandle version count kernel: nfsd: fix posix_acl leak on SETACL decode failure kernel: nfsd: release layout stid on setlease failure kernel: pNFS: Fix use-after-free in pnfs_update_layout() kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access kernel: Kernel: Remote out-of-bounds write in RDMA/siw kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer

RLSA-2026:59723 — Important: kernel security, bug fix, and enhancement update

2026-10-03T04:34:13.562669+00:00

Affected: Rocky Linux:9: kernel

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

Security Fix(es):

* kernel: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211)

* kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003)

* kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114)

* kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924)

* kernel: netfilter: xt_policy: fix strict mode inbound policy matching (CVE-2026-52920)

* kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)

* kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131)

* kernel: netfilter: conntrack_irc: fix possible out-of-bounds read (CVE-2026-53268)

* kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191)

* kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189)

* kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277)

* kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276)

* kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581)

Bug Fix(es) and Enhancement(s):

* [Rocky Linux-9.8.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:Rocky Linux-166118)

* ss core dumped when there is an SCTP session [rhel-9.8.z] (JIRA…

SUSE-SU-2026:23066-1 — Security update for the Linux Kernel

2026-10-03T04:34:13.562716+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2026-53185

2026-10-03T04:34:13.563270+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:Pro:16.04:LTS: linux-oracle, Ubuntu:Pro:18.04:LTS: linux, Ubuntu:Pro:18.04:LTS: linux-aws, Ubuntu:18.04:LTS: linux-aws-5.0 and 248 more

In the Linux kernel, the following vulnerability has been resolved: zram: fix use-after-free in zram_bvec_write_partial() zram_read_page() picks the sync or async backing device read path based on whether the parent bio is NULL. zram_bvec_write_partial() passes its parent bio down, so for ZRAM_WB slots the read is dispatched asynchronously and zram_read_page() returns 0 while the bio is still in flight. The caller then runs memcpy_from_bvec(), zram_write_page() and __free_page() on the buffer, leaving the async read to write into a freed page. zram_bvec_read_partial() was switched to NULL in commit 4e3c87b9421d ("zram: fix synchronous reads") for the same reason; the write_partial counterpart was missed.

WID-SEC-W-2026-2077 — Linux Kernel: Mehrere Schwachstellen

2026-10-03T04:34:13.563539+00:00

Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen und weitere, nicht näher spezifizierte Auswirkungen zu erzielen.