Security update for the Linux Kernel (Live Patch 50 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.200 fixes various security issues: The following security issues were fixed: CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for...

SUSE-SU-2026:4725-1 Security update for the Linux Kernel (Live Patch 83 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.310 fixes various security issues: The following security issues were fixed: - CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. - CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for ENCRY...

Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 fixes various security issues: The following security issues were fixed: CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for...

SUSE-SU-2026:4718-1 Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 fixes various security issues: The following security issues were fixed: - CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. - CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for...

Security update for the Linux Kernel (Live Patch 76 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.290 fixes various security issues: The following security issues were fixed: CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for ENCRYPT...

SUSE-SU-2026:4714-1 Security update for the Linux Kernel RT (Live Patch 10 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.34 fixes various security issues: The following security issues were fixed: - CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. - CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for...

Security update for the Linux Kernel RT (Live Patch 18 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.67 fixes various security issues: The following security issues were fixed: CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. CVE-2026-63795: 9p: avoid putting oldfid in p9clientwalk error path...

Security update for the Linux Kernel RT (Live Patch 16 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.59 fixes various security issues: The following security issues were fixed: CVE-2026-53131: netfilter: require Ethernet MAC header before using ethhdr bsc1269775. CVE-2026-63794: KVM: SVM: Fix page overflow in sevdbgcrypt for ENCRYPT...

SUSE-SU-2026:4708-1 Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.72 fixes various security issues: The following security issues were fixed: - CVE-2026-63887: scsi: target: iscsi: Bound iscsiencodetextoutput appends to rspbuf bsc1272386. - CVE-2026-68158: libceph: Fix multiplication overflow in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: The decoding of the “bound getversion reply” was incorrect. The handlegetversionreply function uses msg-frontalloclen as the boundary for decoding MONGETVERSIONREPLY. This represents the size of the reused reply buffer,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: Defined and enforced the CEPHMAXKEYLEN. When decoding the key, verify that the key material fits into a fixed-size buffer in processauthdone, and that its length is reasonable. The new CEPHMAXKEYLEN check replaces the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: Remove debugfs files before client teardown The cephdestroyclient function destroys the monitor client before removing the per-client debugfs files. A concurrent read of the monmap debugfs file can trigger the monmapshow...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: A potential nullptrderef issue has been prevented in cephhandleauthreply. If a message of type CEPHMSGAUTHREPLY contains a zero value for both protocol and result, this is currently not treated as an error. When...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: Replace BUGON with a bounds check for map-maxosd. OSD indexes originate from untrusted network packets. Boundaries checks have been added to validate these indexes against map-maxosd. idryomov: removed BUGON in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: libceph: Two unsafe bare decode operations in decodelockers were fixed. The decodelockers function in clslockclient.c contains two bare decode operations that allow a malicious or compromised OSD to trigger a slab-out-of-bound...

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-2022-50645: EDAC/i10nm: fix refcount leak in pcigetdevwrapper bsc1254633. CVE-2025-39964: kernel: crypto: afalg - Disallow concurrent writes in afalgsendmsg bsc1251966...

CVE-2026-90067

A flaw was found in the Linux kernel's libceph component. A remote attacker could exploit this by sending a specially crafted Ceph messenger v2 protocol banner with a zero-length payload. This malformed banner causes the kernel to attempt a zero-length socket read, which violates internal state...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: Use u32 for non-negative values in cephmonmapDecode This patch fixes unnecessary implicit conversions that change the signedness of bloblen and nummon in cephmonmapDecode. Currently, bloblen and nummon are signed int...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: An error occurred during the insertion of data into the rbtree in the decodechooseargs function. A message of type CEPHMSGOSDMAP contains an OSD map, which in turn contains a CRUSH map. The received CRUSH map may...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: A potential out-of-bounds read vulnerability exists in processmessageheader. If the message frame is maliciously corrupted in such a way that the length of the control segment becomes shorter than the size of the message...