🛡️ SUSE-SU-2025:4320-1 — kernel-64kb (CVE-2022-50327 +195 more)
Description
Security update for the Linux Kernel
The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues
The following security issues were fixed:
- CVE-2022-50327: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value (bsc#1249859).
- CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param() (bsc#1249857).
- CVE-2022-50490: bpf: Propagate error from htab_lock_bucket() to userspace (bsc#1251164).
- CVE-2022-50516: fs: dlm: fix invalid derefence of sb_lvbptr (bsc#1251741).
- CVE-2023-53365: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (bsc#1249988).
- CVE-2023-53500: xfrm: fix slab-use-after-free in decode_session6 (bsc#1250816).
- CVE-2023-53559: ip_vti: fix potential slab-use-after-free in decode_session6 (bsc#1251052).
- CVE-2023-53574: wifi: rtw88: delete timer and free skb queue when unloading (bsc#1251222).
- CVE-2023-53619: netfilter: conntrack: Avoid nf_ct_helper_hash uses after free (bsc#1251743).
- CVE-2023-53673: Bluetooth: hci_event: call disconnect callback before deleting conn (bsc#1251763).
- CVE-2023-53705: ipv6: Fix out-of-bounds access in ipv6_find_tlv() (bsc#1252554).
- CVE-2025-37885: KVM: x86: Reset IRTE to host control if *new* route isn't postable (bsc#1242960).
- CVE-2025-38084: hugetlb: unshare some PMDs when splitting VMAs (bsc#1245498).
- CVE-2025-38085: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (bsc#1245499).
- CVE-2025-38476: rpl: Fix use-after-free in rpl_do_srh_inline() (bsc#1247317).
- CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() (bsc#1249479).
- CVE-2025-39797: xfrm: Duplicate SPI Handling (bsc#1249608).
- CVE-2025-39945: cnic: Fix use-after-free bugs in cnic_delete_task (bsc#1251230).
- CVE-2025-39967: fbcon: fix integer overflow in fbcon_do_set_font (bsc#1252033).
- CVE-2025-39968: i40e: add max boundary check for VF filters (bsc#1252047).
- CVE-2025-39973: i40e: add validation for ring_len param (bsc#1252035).
- CVE-2025-39978: octeontx2-pf: Fix potential use after free in otx2_tc_add_flow() (bsc#1252069).
- CVE-2025-39981: Bluetooth: MGMT: Fix possible UAFs (bsc#1252060).
- CVE-2025-40018: ipvs: Defer ip_vs_ftp unregister during netns cleanup (bsc#1252688).
- CVE-2025-40044: fs: udf: fix OOB read in lengthAllocDescs handling (bsc#1252785).
The following non security issues were fixed:
- NFS: remove revoked delegation from server's delegation list (bsc#1246211).
- NFSv4: Allow FREE_STATEID to clean up delegations (bsc#1246211).
- fbcon: Fix OOB access in font allocation (bsc#1252033)
- kabi fix for NFSv4: Allow FREE_STATEID to clean up delegations (bsc#1246211).
- kernel-subpackage-spec: Do not doubly-sign modules (bsc#1251930).
- mm: avoid unnecessary page fault retires on shared memory types (bsc#1251823).
- net: hv_netvsc: fix loss of early receive events from host during channel open (bsc#1252265).
- net: mana: Switch to page pool for jumbo frames (bsc#1248754).
- net: mana: Use page pool fragments for RX buffers instead of full pages to improve memory efficiency (bsc#1248754).
- netfilter: nft_objref: validate objref and objrefmap expressions (bsc#1250237).
- rpm/check-for-config-changes: ignore CONFIG_SCHED_PROXY_EXEC, too (bsc#1250946)
Affected software
SUSE-SU-2025:4320-1 is recorded against 9 packages.
- kernel-64kb (fixed in 5.14.21-150500.55.127.1)
- kernel-default (fixed in 5.14.21-150500.55.127.1)
- kernel-default-base (fixed in 5.14.21-150500.55.127.1.150500.6.61.1)
- kernel-docs (fixed in 5.14.21-150500.55.127.1)
- kernel-livepatch-sle15-sp5-update-32 (fixed in 1-150500.11.3.1)
- kernel-obs-build (fixed in 5.14.21-150500.55.127.1)
- kernel-source (fixed in 5.14.21-150500.55.127.1)
- kernel-syms (fixed in 5.14.21-150500.55.127.1)
- kernel-zfcpdump (fixed in 5.14.21-150500.55.127.1)
Timeline and source
Published on 4 December 2025 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
www.suse.com (Advisory)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| kernel-64kb | — | 5.14.21-150500.55.127.1 |
| kernel-default | — | 5.14.21-150500.55.127.1 |
| kernel-default-base | — | 5.14.21-150500.55.127.1.150500.6.61.1 |
| kernel-docs | — | 5.14.21-150500.55.127.1 |
| kernel-livepatch-sle15-sp5-update-32 | — | 1-150500.11.3.1 |
| kernel-obs-build | — | 5.14.21-150500.55.127.1 |
| kernel-source | — | 5.14.21-150500.55.127.1 |
| kernel-syms | — | 5.14.21-150500.55.127.1 |
| kernel-zfcpdump | — | 5.14.21-150500.55.127.1 |
References
Similar Threats
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