SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:3593-1)

high Nessus Plugin ID 335098

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3593-1 advisory.

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues:

The following security issues were fixed:

- CVE-2022-4994: KVM: x86: wean fast IN from emulator_pio_in (bsc#1273097).
- CVE-2023-53995: net: ipv4: fix one memleak in __inet_del_ifa() (bsc#1255616).
- CVE-2026-46052: ceph: only d_add() negative dentries when they are unhashed (bsc#1267494).
- CVE-2026-46056: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (bsc#1267435).
- CVE-2026-46145: RDMA/mana: Validate rx_hash_key_len (bsc#1267715).
- CVE-2026-46193: xfrm: ah: account for ESN high bits in async callbacks (bsc#1267656).
- CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt() (bsc#1269172).
- CVE-2026-52958: libceph: Fix potential out-of-bounds access in osdmap_decode() (bsc#1269174).
- CVE-2026-52967: smb/client: fix possible infinite loop and oob read in symlink_data() (bsc#1269181).
- CVE-2026-52986: netfilter: nf_conntrack_sip: don't use simple_strtoul (bsc#1269289).
- CVE-2026-53050: quota: Fix race of dquot_scan_active() with quota deactivation (bsc#1269188).
- CVE-2026-53131: netfilter: require Ethernet MAC header before using eth_hdr() (bsc#1269773).
- CVE-2026-53196: USB: serial: io_ti: fix heap overflow in get_manuf_info() (bsc#1269986).
- CVE-2026-53224: sctp: validate embedded INIT chunk and address list lengths in cookie (bsc#1269997).
- CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (bsc#1269988).
- CVE-2026-53256: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() (bsc#1269993).
- CVE-2026-53260: preempt: Provide preempt_[dis|en]able_nested() (bsc#1269731).
- CVE-2026-53267: netfilter: nft_ct: bail out on template ct in get eval (bsc#1269577).
- CVE-2026-53354: arm64: errata: Mitigate TLBI errata on various Arm CPUs (bsc#1270230).
- CVE-2026-53357: Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del() (bsc#1270257).
- CVE-2026-53375: drm/amdgpu/vce: Prevent partial address patches (bsc#1271899).
- CVE-2026-53388: fuse: re-lock request before replacing page cache folio (bsc#1271825).
- CVE-2026-53391: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr (bsc#1271904).
- CVE-2026-53402: fbdev: fbcon: fix out-of-bounds read in err_out of (bsc#1271908).
- CVE-2026-63794: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (bsc#1271964).
- CVE-2026-63806: KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned() (bsc#1272268).
- CVE-2026-63807: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level (bsc#1272263).
- CVE-2026-63824: KEYS: fix overflow in keyctl_pkey_params_get_2() (bsc#1272180).
- CVE-2026-63829: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (bsc#1272176).
- CVE-2026-63893: thunderbolt: property: Reject u32 wrap in tb_property_entry_valid() (bsc#1272607).
- CVE-2026-63917: ip6: vti: Use ip6_tnl.net in vti6_changelink() (bsc#1272904).
- CVE-2026-63919: xfrm: input: hold netns during deferred transport reinjection (bsc#1272907).
- CVE-2026-63921: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() (bsc#1272918).
- CVE-2026-63922,CVE-2026-63924: ipv6: exthdrs: recompute network header pointer once (bsc#1272855).
- CVE-2026-63971: sctp: fix race between sctp_wait_for_connect and peeloff (bsc#1272678).
- CVE-2026-63975: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp (bsc#1272694).
- CVE-2026-63984: ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress() (bsc#1272865).
- CVE-2026-63994: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp() (bsc#1273035).
- CVE-2026-64106: KVM: arm64: vgic-its: Reject restored DTE with out-of-range num_eventid_bits (bsc#1272242).
- CVE-2026-64189: netfilter: ipset: fix race between dump and ip_set_list resize (bsc#1272207).
- CVE-2026-64561: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (bsc#1273231).
- CVE-2026-64560: posix-cpu-timers: Prevent UAF caused by non-leader exec() race (bsc#1273004).
- CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP processing (bsc#1274072).
- CVE-2026-64600: xfs: resample the data fork mapping after cycling ILOCK (bsc#1271526).

The following non security issues were fixed:

- hrtimers: Introduce hrtimer_setup() to replace hrtimer_init() (bsc#1271912).
- mkspec-dtb: Skip missing DTBs.
- pkspec-dtb: Fix dtb-al rename.
- posix-cpu-timers: Cleanup the firing logic (bsc#1271912).
- posix-cpu-timers: Correctly update timer status in posix_cpu_timer_del() (bsc#1271912).
- posix-cpu-timers: Do not arm SIGEV_NONE timers (bsc#1271912).
- posix-cpu-timers: Handle interval timers correctly in timer_get() (bsc#1271912).
- posix-cpu-timers: Handle SIGEV_NONE timers correctly in timer_get() (bsc#1271912).
- posix-cpu-timers: Handle SIGEV_NONE timers correctly in timer_set() (bsc#1271912).
- posix-cpu-timers: Make k_itimer::it_active consistent (bsc#1271912).
- posix-cpu-timers: Remove incorrect comment in posix_cpu_timer_set() (bsc#1271912).
- posix-cpu-timers: Replace old expiry retrieval in posix_cpu_timer_set() (bsc#1271912).
- posix-cpu-timers: Simplify posix_cpu_timer_set() (bsc#1271912).
- posix-cpu-timers: Split up posix_cpu_timer_get() (bsc#1271912).
- posix-cpu-timers: Use @now instead of @val for clarity (bsc#1271912).
- posix-timers: Add proper state tracking (bsc#1271912).
- posix-timers: Avoid direct access to hrtimer clockbase (bsc#1271912).
- posix-timers: Clarify posix_timer_fn() comments (bsc#1271912).
- posix-timers: Clear overrun in common_timer_set() (bsc#1271912).
- posix-timers: Consolidate signal queueing (bsc#1271912).
- posix-timers: Consolidate timer setup (bsc#1271912).
- posix-timers: Cure si_sys_private race (bsc#1271912).
- posix-timers: Document common_clock_get() correctly (bsc#1271912).
- posix-timers: Expand timer_arm() callbacks with a boolean return value (bsc#1271912).
- posix-timers: Polish coding style in a few places (bsc#1271912).
- posix-timers: Retrieve interval in common timer_settime() code (bsc#1271912).
- sctp: validate embedded address parameter length (git-fixes).
- time: Switch to hrtimer_setup() (bsc#1271912).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 335098

File Name: suse_SU-2026-3593-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/13/2026

Updated: 8/13/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

Percentile: 99.86

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:P/A:N

CVSS Score Source: CVE-2023-2058

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS Score Source: CVE-2026-63794

CVSS v4

Risk Factor: High

Base Score: 7.3

Threat Score: 7.3

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2025-54518

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:cluster-md-kmp-default, p-cpe:/a:novell:suse_linux:dlm-kmp-default, p-cpe:/a:novell:suse_linux:gfs2-kmp-default, p-cpe:/a:novell:suse_linux:kernel-64kb, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-default-livepatch, p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_24_235-default, p-cpe:/a:novell:suse_linux:kernel-obs-build, p-cpe:/a:novell:suse_linux:kernel-source, p-cpe:/a:novell:suse_linux:kernel-zfcpdump, p-cpe:/a:novell:suse_linux:ocfs2-kmp-default, p-cpe:/a:novell:suse_linux:reiserfs-kmp-default

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/12/2026

Vulnerability Publication Date: 7/21/2021

CISA Known Exploited Vulnerability Due Dates: 5/15/2026

Reference Information

CVE: CVE-2022-4994, CVE-2023-2058, CVE-2023-53995, CVE-2025-21710, CVE-2025-54518, CVE-2026-31431, CVE-2026-31598, CVE-2026-31628, CVE-2026-31759, CVE-2026-43033, CVE-2026-46052, CVE-2026-46056, CVE-2026-46080, CVE-2026-46109, CVE-2026-46145, CVE-2026-46174, CVE-2026-46193, CVE-2026-46243, CVE-2026-46323, CVE-2026-46333, CVE-2026-52956, CVE-2026-52958, CVE-2026-52967, CVE-2026-52986, CVE-2026-53050, CVE-2026-53131, CVE-2026-53196, CVE-2026-53224, CVE-2026-53246, CVE-2026-53256, CVE-2026-53260, CVE-2026-53267, CVE-2026-53354, CVE-2026-53357, CVE-2026-53375, CVE-2026-53388, CVE-2026-53391, CVE-2026-53402, CVE-2026-63794, CVE-2026-63806, CVE-2026-63807, CVE-2026-63824, CVE-2026-63829, CVE-2026-63893, CVE-2026-63917, CVE-2026-63919, CVE-2026-63921, CVE-2026-63922, CVE-2026-63924, CVE-2026-63971, CVE-2026-63975, CVE-2026-63984, CVE-2026-63994, CVE-2026-64106, CVE-2026-64189, CVE-2026-64560, CVE-2026-64561, CVE-2026-64564, CVE-2026-64600

SuSE: SUSE-SU-2026:3593-1

Detections

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