AZL-88962 CVE-2026-46174 affecting package kernel for versions less than 6.6.139.1-1

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way...

Security update for xen

This update for xen fixes the following issues CVE-2025-54505: Floating Point Divider State Sampling on AMD CPUs AMD-SN-7053 bsc1262428. CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264066. CVE-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. CVE-2026-23558: grant tabl...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50280)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50280 advisory. - ptrace: slightly saner 'getdumpable' logic Linus Torvalds Orabug: 39391447 CVE-2026-46333 - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache Jeff...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50271)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50271 advisory. - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache Jeff Layton Orabug: 39362036 CVE-2026-31402 - net/sched: Only allow actct to bind to...

Unbreakable Enterprise kernel security update

5.15.0-320.202.8.2 - xfrm: esp: ipv4: fix up flags setting Greg Kroah-Hartman Orabug: 39344515 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39344515 CVE-2026-43284 5.15.0-320.202.8.1 - x86/CPU/AMD: Add a fix for AMD-SB-7052 Prathyushi Nangia Orabug...

Unbreakable Enterprise kernel security update

5.4.17-2136.355.3.1 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39344527 CVE-2026-43284 - x86/CPU/AMD: Add a fix for AMD-SB-7052 Prathyushi Nangia Orabug: 39344576 CVE-2025-54518 5.4.17-2136.355.3 - crypto: algifaead - Fix minimum RX size check for decryption...

Unbreakable Enterprise kernel security update

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XenServer Security Update for Multiple Issues

Severity: High Description of Problem Several issues have been identified that affect XenServer 8.4. These are: An issue that may, in some circumstances, allow a malicious privileged user in a guest VM to compromise the host. This issue has the following identifier: CVE-2026-23558 An issue that m...

CVE-2025-54505

A transient execution vulnerability within AMD CPUs may allow a local user-privileged attacker to leak data via the floating point divisor unit, potentially resulting in loss of confidentiality...

PT-2026-46288

New microcode update packages from upstream up to 2026-02-21: - Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035,...

PT-2026-45325

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037,...

PT-2026-46285

New microcode update packages from upstream up to 2026-02-21: - Addition AMD CPU microcode for processor family 0x19: cpuid:0x00A00F10ver:0x0A00107A, cpuid:0x00A00F11ver:0x0A0011D5, cpuid:0x00A00F11ver:0x0A0011DE, cpuid:0x00A00F12ver:0x0A001238, cpuid:0x00A00F12ver:0x0A001247,...

PT-2026-46280

New microcode update packages from upstream up to 2026-02-21: - Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035,...

PT-2026-45315

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037, cpuid:0x00B60F80ver:0x0B608038, cpuid:0x00B70F00ver:0x0B700037; - Update AMD CPU...

PT-2026-45310

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037,...

PT-2026-45309

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037,...

PT-2026-45312

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037,...

PT-2026-45311

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037,...

CVE-2025-52534: Improper Validation of Specified Quantity in Input

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

PT-2026-27089

This update for ucode-amd fixes the following issues: Changes in ucode-amd: - Update to version 20251203 git commit a0f0e52138e5: linux-firmware: Update amd-ucode copyright information linux-firmware: Update AMD cpu microcode - Update to version 20251113 git commit fb0dbcd30118: linux-firmware:...