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ALSA-2023:5069 — Important: kernel security, bug fix, and enhancement update

2026-10-02T14:57:10.790896+00:00

Affected: AlmaLinux:9: bpftool, 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 and 35 more

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

The following packages have been upgraded to a later upstream version: kernel (5.14.0).

Security Fix(es):

* kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390) * kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610) * kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776) * kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004) * kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147) * kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248) * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001) * kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637) * hw: amd: Cross-Process Information Leak (CVE-2023-20593) * kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102)

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.

Bug Fix(es):

* [Intel 9.3 BUG] [SPR][EMR][FHF] ACPI: Fix system hang during S3 wakeup (BZ#2218026) * [Dell 9.2 BUG]…

bdu:2023-03677

2026-10-02T14:57:10.791134+00:00

bdu:2023-03677

Withdrawn: BELL-CVE-2023-3390 — CVE-2023-3390 does not affect BellSoft software

2026-10-02T14:57:10.791161+00:00

Withdrawn by the publisher.

certfr-2023-avi-0515 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian Bookworm. Ell…

2026-10-02T14:57:10.791187+00:00

certfr-2023-avi-0515

EUVD-2026-339281

2026-10-02T14:57:10.791221+00:00

EUVD-2026-339281

fkie_cve-2023-3390

2026-10-02T14:57:10.791244+00:00

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c.

Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue.

We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97

GHSA-vj8j-762w-6jmv

2026-10-02T14:57:10.791329+00:00

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c.

We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97.

gsd-2023-3390

2026-10-02T14:57:10.791351+00:00

gsd-2023-3390

ICSA-23-166-10 — Siemens SIMATIC S7-1500 TM MFP BIOS

2026-10-02T14:57:10.791362+00:00

The iconv program in the GNU C Library (aka glibc or libc6) 2.31 and earlier, when invoked with multiple suffixes in the destination encoding (TRANSLATE or IGNORE) along with the -c option, enters an infinite loop when processing invalid multi-byte input sequences, leading to a denial of service. The iconv feature in the GNU C Library (aka glibc or libc6) through 2.32, when processing invalid multi-byte input sequences in the EUC-KR encoding, may have a buffer over-read. A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32. The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c. The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite lo…

msrc_CVE-2023-3390 — Use-after-free in Linux kernel's netfilter subsystem

2026-10-02T14:57:10.791626+00:00

msrc_CVE-2023-3390

OESA-2023-1448 — kernel security update

2026-10-02T14:57:10.791646+00:00

Affected: openEuler:20.03-LTS-SP1: kernel, openEuler:20.03-LTS-SP3: kernel, openEuler:22.03-LTS: kernel, openEuler:22.03-LTS-SP1: kernel, openEuler:22.03-LTS-SP2: kernel

The Linux Kernel, the operating system core itself.

Security Fix(es):

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.(CVE-2022-45886)

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c.

We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97.(CVE-2023-3390)

Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace(CVE-2023-35001)

RHSA-2023:4789 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

2026-10-02T14:57:10.791685+00:00

kernel: when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c kernel: perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox() kernel: perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map() kernel: save/restore speculative MSRs during S3 suspend/resume kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter Kernel: bluetooth: Unauthorized management command execution kernel: OOB access in the Linux kernel's XFS subsystem kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests hw: amd: Cross-Process Information Leak kernel: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() kernel: buffer overflow in ceph file net/ceph/messenger_v2.c

RHSA-2023:5069 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

2026-10-02T14:57:10.791758+00:00

kernel: seccomp: Move copy_seccomp() to no failure path kernel: save/restore speculative MSRs during S3 suspend/resume kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free hw: amd: Cross-Process Information Leak kernel: bypass of shadow stack protection due to a logic error kernel: nf_tables: use-after-free in nft_chain_lookup_byid() kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() kernel: buffer overflow in ceph file net/ceph/messenger_v2.c kernel: Linux kernel: Denial of Service due to GIC state corruption on NVIDIA T241 platforms kernel: Linux kernel iavf driver: Denial of Service via use-after-free vulnerability kernel: virt/coco/sev-guest: Double-buffer messages

SUSE-SU-2023:3172-1 — Security update for the Linux Kernel

2026-10-02T14:57:10.791810+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2023-3390

2026-10-02T14:57:10.791831+00:00

Affected: 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, Ubuntu:Pro:16.04:LTS: linux-kvm and 139 more

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue. We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97

WID-SEC-W-2023-1595 — Linux Kernel: Mehrere Schwachstellen

2026-10-02T14:57:10.792231+00:00

Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen und einen Denial of Service Zustand herbeizuführen.