CVE-2026-99099— x86/CPU/AMD: Fix AMD TLBI Erratum #1718
Quick assessment
Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Linux 内核中，以下漏洞已得到修复： x86/CPU/AMD：修复 AMD TLBI 勘误 #1718 处理器在执行 INVLPGB/TLBSYNC 指令对时，可能无法正确使 TLB 条目失效。 该修复会检测此勘误，并在微码补丁不存在时，应用相应的软件规避措施。
Possible ATT&CK Techniques 1 AI
T1548.001 · Setuid and Setgid
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I. Basic Information for CVE-2026-99099
Vulnerability Information
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Vulnerability Title
x86/CPU/AMD: Fix AMD TLBI Erratum #1718
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-99099
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Patches & Fixes for CVE-2026-99099 (3)
Same Patch Batch · Linux · 2026-10-26 · 12 CVEs total
| CVE-2026-99097 | tee: shm: reject zero-sized allocations in tee_dyn_shm_alloc_helper() | |
| CVE-2026-99098 | dm-integrity: fix buffer overflow in inline mode with large tag size | |
| CVE-2026-99095 | drm/vc4: drain the hangcheck timer and works on V3D unbind | |
| CVE-2026-99096 | io_uring/register: don't exempt disabled rings from task restrictions | |
| CVE-2026-99094 | Bluetooth: btintel_pcie: fix TX descriptor bounds check | |
| CVE-2026-99093 | mm: don't schedule deferred kernel page table freeing while booting | |
| CVE-2026-99092 | riscv: patch: fix handling of bpf-jit execmem addresses | |
| CVE-2026-99090 | drm/amdgpu: serialize vblank counter reads against GPU reset | |
| CVE-2026-99091 | Bluetooth: MGMT: Fix status of pending commands flushed on power off | |
| CVE-2026-99089 | ASoC: samsung: i2s: enable op_clk in probe to balance runtime PM | |
| CVE-2026-99088 | net: openvswitch: validate transport header presence in set_ipv6_addr |
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2026-99097
tee: shm: reject zero-sized allocations in tee_dyn_shm_alloc -
CVE-2026-99098
dm-integrity: fix buffer overflow in inline mode with large -
CVE-2026-99095
drm/vc4: drain the hangcheck timer and works on V3D unbind -
CVE-2026-99096
io_uring/register: don't exempt disabled rings from task res -
CVE-2026-99094
Bluetooth: btintel_pcie: fix TX descriptor bounds check
Same vendor: Linux
-
CVE-2026-99097
tee: shm: reject zero-sized allocations in tee_dyn_shm_alloc -
CVE-2026-99098
dm-integrity: fix buffer overflow in inline mode with large -
CVE-2026-99095
drm/vc4: drain the hangcheck timer and works on V3D unbind -
CVE-2026-99096
io_uring/register: don't exempt disabled rings from task res -
CVE-2026-99094
Bluetooth: btintel_pcie: fix TX descriptor bounds check