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bdu:2026-07885

BELL-CVE-2026-23408

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

certfr-2026-avi-0420 — De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Elles permettent à un attaquant de provoqu…

certfr-2026-avi-0420

EUVD-2026-347644

fkie_cve-2026-23408

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

apparmor: Fix double free of ns_name in aa_replace_profiles()

if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name);

and if ent->ns_name contains an ns_name in 1089 } else if (ent->ns_name) {

then ns_name is assigned the ent->ns_name 1095 ns_name = ent->ns_name;

however ent->ns_name is freed at 1262 aa_load_ent_free(ent);

and then again when freeing ns_name at 1270 kfree(ns_name);

Fix this by NULLing out ent->ns_name after it is transferred to ns_name

GHSA-qcx9-4fj7-jf29

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

apparmor: Fix double free of ns_name in aa_replace_profiles()

if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name);

and if ent->ns_name contains an ns_name in 1089 } else if (ent->ns_name) {

then ns_name is assigned the ent->ns_name 1095 ns_name = ent->ns_name;

however ent->ns_name is freed at 1262 aa_load_ent_free(ent);

and then again when freeing ns_name at 1270 kfree(ns_name);

Fix this by NULLing out ent->ns_name after it is transferred to ns_name

msrc_CVE-2026-23408 — apparmor: Fix double free of ns_name in aa_replace_profiles()

msrc_CVE-2026-23408

OESA-2026-1862 — kernel security update

Affected: openEuler:24.03-LTS: kernel

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

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

f2fs: fix to detect potential corrupted nid in free_nid_list

As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.(CVE-2025-68315)

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

ntfs3: Fix uninit buffer allocated by __getname()

Fix uninit errors caused after buffer allocation given to 'de'; by initializing the buffer with zeroes. The fix was found by using KMSAN.(CVE-2025-68727)

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

netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in nft_chain_add()) before registering hooks. If nf_tables_register_hook() then fails, the error path calls nft_chain_del() (list_del_rcu()) followed by nf_tables_chain_destroy() with no RCU grace period in between.

This creates two use-after-free conditions:

1) Control-plane: nf_tables_dump_chains() traverses table->chains under rcu_read_lock(). A concurrent dump can still be walking the chain when the error path frees it.

2) Packet path: for NFPROTO_INET, nf_register_net_hook() briefly installs the IPv4 hook before IPv6 registration fails. Packets entering nft…

openSUSE-SU-2026:20826-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

SUSE-SU-2026:2068-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2026-23408

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 178 more

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of ns_name in aa_replace_profiles() if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name); and if ent->ns_name contains an ns_name in 1089 } else if (ent->ns_name) { then ns_name is assigned the ent->ns_name 1095 ns_name = ent->ns_name; however ent->ns_name is freed at 1262 aa_load_ent_free(ent); and then again when freeing ns_name at 1270 kfree(ns_name); Fix this by NULLing out ent->ns_name after it is transferred to ns_name ")

WID-SEC-W-2026-0950 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, darunter möglicherweise Codeausführung, Denial-of-Service-Angriffe, die Umgehung von Sicherheitsmaßnahmen oder die Manipulation von Daten.