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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-99099

x86/CPU/AMD: Fix AMD TLBI Erratum #1718CVE-2026-99099

Answer in brief

CVE-2026-99099 records a Unknown severity vulnerability in x86/CPU/AMD: Fix AMD TLBI Erratum #1718. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 26, 2026Updated Oct 26, 2026Source checked Oct 26, 2026First seen by HOL Oct 26, 2026Material review Oct 26, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric6.15Not reported
Linux/Linuxgeneric>=82378c6c2f435dba66145609de16bf44a9de6303 <e3e6779f77ab6f0a1aa80e24868d2d89f31053fe || >=82378c6c2f435dba66145609de16bf44a9de6303 <098d80b04d0fe02889c332d061db968f070b83a6 || >=82378c6c2f435dba66145609de16bf44a9de6303 <87db7795cbaaf636ae22ae031f4906db7bb77803e3e6779f77ab6f0a1aa80e24868d2d89f31053fe, 098d80b04d0fe02889c332d061db968f070b83a6, 87db7795cbaaf636ae22ae031f4906db7bb77803

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to e3e6779f77ab6f0a1aa80e24868d2d89f31053fe if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 26, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Fix AMD TLBI Erratum #1718 The processor may fail to invalidate a TLB entry while executing an INVLPGB/TLBSYNC instruction pair. Detect the erratum and apply a software workaround when a microcode fix is not present.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • net: openvswitch: validate transport header presence in set_ipv6_addrSame linux/linux package
  • ASoC: samsung: i2s: enable op_clk in probe to balance runtime PMSame linux/linux package
  • drm/amdgpu: serialize vblank counter reads against GPU resetSame linux/linux package
  • Bluetooth: MGMT: Fix status of pending commands flushed on power offSame linux/linux package
  • riscv: patch: fix handling of bpf-jit execmem addressesSame linux/linux package
  • mm: don't schedule deferred kernel page table freeing while bootingSame linux/linux package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 26, 2026
References
3 linked sources
Open source record