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

2026-10-03T15:12:23.714931+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:2026-14071

2026-10-03T15:12:23.715187+00:00

bdu:2026-14071

BELL-CVE-2026-53268

2026-10-03T15:12:23.715233+00:00

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

certfr-2026-avi-0812 — De multiples vulnérabilités ont été découvertes dans Microsoft Azure Linux. Elles permettent à un attaquant de provoque…

2026-10-03T15:12:23.715274+00:00

certfr-2026-avi-0812

EUVD-2026-364846

2026-10-03T15:12:23.715304+00:00

EUVD-2026-364846

fkie_cve-2026-53268

2026-10-03T15:12:23.715326+00:00

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

netfilter: conntrack_irc: fix possible out-of-bounds read

When parsing fails after we've matched the command string we should bail out instead of trying to match a different command.

This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.

GHSA-3j2m-3xq8-9948

2026-10-03T15:12:23.715371+00:00

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

netfilter: conntrack_irc: fix possible out-of-bounds read

When parsing fails after we've matched the command string we should bail out instead of trying to match a different command.

This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.

msrc_CVE-2026-53268 — netfilter: conntrack_irc: fix possible out-of-bounds read

2026-10-03T15:12:23.715404+00:00

msrc_CVE-2026-53268

OESA-2026-2930 — kernel security update

2026-10-03T15:12:23.715443+00:00

Affected: openEuler:22.03-LTS-SP4: kernel

The Linux Kernel, the operating system core itself. Security Fix(es):

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

wifi: mac80211: check tdls flag in ieee80211_tdls_oper

When NL80211_TDLS_ENABLE_LINK is called, the code only checks if the station exists but not whether it is actually a TDLS station. This allows the operation to proceed for non-TDLS stations, causing unintended side effects like modifying channel context and HT protection before failing.

Add a check for sta->sta.tdls early in the ENABLE_LINK case, before any side effects occur, to ensure the operation is only allowed for actual TDLS peers.(CVE-2026-43052)

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

wifi: brcmfmac: validate bsscfg indices in IF events

brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr->iflist[], but it still uses the raw bsscfgidx field as an array index without a matching range check.

Reject IF events whose bsscfg index does not fit in drvr->iflist[] before indexing the interface array.

[add missing wifi prefix](CVE-2026-43110)

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

HID: roccat: fix use-after-free in roccat_report_event

roccat_report_event() iterates over the device->readers list without holding the readers_lock. This allows a concurrent roccat_release() to remove and free a reader while it's still being accessed, leading to a use-after-f…

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

2026-10-03T15:12:23.715711+00:00

Security update for the Linux Kernel

RHSA-2026:68532 — Red Hat Security Advisory: kernel-rt security update

2026-10-03T15:12:23.716386+00:00

kernel: ipvlan: Make the addrs_lock be per port kernel: xfrm: hold dev ref until after transport_finish NF_HOOK kernel: netfilter: nf_conntrack_h323: fix OOB read in decode_choice() kernel: ipv6: prevent possible UaF in addrconf_permanent_addr() kernel: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP kernel: flow_dissector: do not dissect PPPoE PFC frames kernel: netfilter: xt_policy: fix strict mode inbound policy matching kernel: ppp: require CAP_NET_ADMIN in target netns for unattached ioctls kernel: netfilter: require Ethernet MAC header before using eth_hdr() kernel: IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN kernel: ALSA: timer: Fix UAF at snd_timer_user_params() kernel: net: guard timestamp cmsgs to real error queue skbs kernel: ipv6: sit: reload inner IPv6 header after GSO offloads kernel: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() kernel: netfilter: conntrack_irc: fix possible out-of-bounds read kernel: ipv6: mcast: Fix use-after-free when processing MLD queries kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink() kernel: xfrm: input: hold netns during deferred transport reinjection kernel: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() kernel: Linux kernel SLIP: Out-of-bounds write due to race condition during MTU change kernel: xfrm: fix stale skb->prev after async crypto steals a GSO segment kernel: net: qrt…

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

2026-10-03T15:12:23.716485+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…

SSA-019113 — SSA-019113: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.6

2026-10-03T15:12:23.716565+00:00

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant).

Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

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

2026-10-03T15:12:23.716882+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2026-53268

2026-10-03T15:12:23.717528+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, 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 and 255 more

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing fails after we've matched the command string we should bail out instead of trying to match a different command. This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.

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

2026-10-03T15:12:23.717982+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.