ZeroDay Findings
Sign inSign up

Findings

SUSE-SU-2026:4668-1

Security update for the Linux Kernel

Published Oct 14, 2026 · corrected/updated Oct 15, 2026 · evidence confidence medium

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2022-50645: EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper() (bsc#1254633). - CVE-2024-56644: net/ipv6: release expired exception dst cached in socket (bsc#1216813 bsc#1235133). - CVE-2025-39964: crypto: af_alg - Fix incorrect boolean values in af_alg_ctx (bsc#1252682). - CVE-2025-40022: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (bsc#1251966). - CVE-2026-53266: netfilter: bridge: make ebt_snat ARP rewrite writable (bsc#1269136). - CVE-2026-53400: i2c: core: fix adapter registration race (bsc#1271906). - CVE-2026-64279: i2c: core: fix adapter deregistration race (bsc#1273953). - CVE-2026-64319: nvmet-auth: fix return value check in auth send (bsc#1273339). - CVE-2026-64422: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes (bsc#1273290). - CVE-2026-64580: xfrm6: clear dst.dev on error to avoid double netdev_put in xfrm6_fill_dst() (bsc#1274037). - CVE-2026-68376: sctp: fix auth_hmacs array size in struct sctp_cookie (bsc#1274836). - CVE-2026-68445: drm/vc4: Prevent shader BO mappings from becoming writable (bsc#1276277). - CVE-2026-68451: s390/zcrypt: Validate length for CCA ECC private key requests (bsc#1276287). - CVE-2026-68452: s390/zcrypt: Validate length for CCA AES cipher key requests (bsc#1276295). - CVE-2026-72051: net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink (bsc#1276801). - CVE-2026-72052: net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink (bsc#1276803). - CVE-2026-72053: net: ipip: require CAP_NET_ADMIN in the device netns for changelink (bsc#1276814). - CVE-2026-72054: net: ip_vti: require CAP_NET_ADMIN in the device netns for changelink (bsc#1276818). - CVE-2026-72055: net: ip6_vti: require CAP_NET_ADMIN in the device netns for changelink (bsc#1276821). - CVE-2026-72061: net: sit: require CAP_NET_ADMIN in the device netns for changeli

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

SUSE-SU-2026:4668-1 is a unknown public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: kernel-default (0 → 5.14.21-150400.24.243.1); kernel-64kb (0 → 5.14.21-150400.24.243.1); kernel-default (0 → 5.14.21-150400.24.243.1); kernel-default-base (0 → 5.14.21-150400.24.243.1.150400.24.122.1). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: osv. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · OSV.dev

    Detected

    The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2022-50645: EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper() (bsc#1254633). - CVE-2024-56644: net/ipv6: release expired exception dst cached in socket (bsc#1216813 bsc#1235133). - CVE-2025-39964: crypto: af_alg - Fix incorrect boolean values in af_alg_ctx (bsc#1

  2. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-default fixed in 5.14.21-150400.24.243.1; kernel-default-base fixed in 5.14.21-150400.24.243.1.150400.24.122.1; kernel-source fixed in 5.14.21-150400.24.243.1; kernel-default fixed in 5.14.21-150400.24.243.1

  3. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-default fixed in 5.14.21-150400.24.243.1

  4. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-default-base fixed in 5.14.21-150400.24.243.1.150400.24.122.1

  5. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-source fixed in 5.14.21-150400.24.243.1

  6. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-livepatch-SLE15-SP4_Update_60 fixed in 1-150400.9.3.1

  7. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-64kb fixed in 5.14.21-150400.24.243.1

  8. Oct 15, 2026 · OSV.dev

    Updated

    The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2022-50645: EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper() (bsc#1254633). - CVE-2024-56644: net/ipv6: release expired exception dst cached in socket (bsc#1216813 bsc#1235133). - CVE-2025-39964: crypto: af_alg - Fix incorrect boolean values in af_alg_ctx (bsc#1

Affected

  • SUSE:Linux Enterprise High Availability kernel-default0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise High Performance C kernel-64kb0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise High Performance C kernel-default0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise High Performance C kernel-default-base0 → 5.14.21-150400.24.243.1.150400.24.122.1
  • SUSE:Linux Enterprise Live Patching 15 S kernel-default0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise Live Patching 15 S kernel-livepatch-SLE15-SP4_Update_600 → 1-150400.9.3.1
  • SUSE:Linux Enterprise Micro 5.3 kernel-default0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise Micro 5.3 kernel-default-base0 → 5.14.21-150400.24.243.1.150400.24.122.1
  • SUSE:Linux Enterprise Micro 5.3 kernel-source0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise Micro 5.4 kernel-default0 → 5.14.21-150400.24.243.1
  • SUSE:Linux Enterprise Micro 5.4 kernel-default-base0 → 5.14.21-150400.24.243.1.150400.24.122.1
  • SUSE:Linux Enterprise Micro 5.4 kernel-source0 → 5.14.21-150400.24.243.1

Sources

  • OSV.devPackage advisorySUSE-SU-2026:4668-1

    Security update for the Linux Kernel

    osv.dev

References