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CVE-2026-80540— drm/amdgpu: Fix UVD decode image min size calculation

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: drm/amdgpu:修复 UVD 解码图像最小尺寸计算 此处需要使用图像的行距(pitch)而非宽度进行计算。同时,拒绝行距超过 4096 的情况,以防止整数溢出。 (该补丁取自提交 b41c8cb12e202b220353332ab87dc01a11f69304,为 cherry-pick 操作)

CVSS 7.8 · High EPSS 0.13% · P3

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux d38ceaf99ed015f2a0b9af3499791bd3a3daae21< bc7397a033ac52f6d8c9bb6510d61694b2a3fce7 affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< d058f7a6709441afe1784eecd8c0643dd84750bc affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< b7549e3f96c78921751c4b3e69af729662130d83 affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< 60539d517e8439621532d8c01091ac049c596b4b affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< 271a7da84a6262a09de549912dcf6a749d169cb6 affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< 25ee120f3803ad9e416ef9f76f4c3234cc4d645b affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< 5cbd8af02b0b9c8723fa30edcf6fccab5170af8d affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< b8bb9ba3f101a1b0011f785a577a4a0a38371174 affected
… +10 more rows
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I. Basic Information for CVE-2026-80540

Vulnerability Information

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Vulnerability Title
drm/amdgpu: Fix UVD decode image min size calculation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix UVD decode image min size calculation This needs to use pitch instead of width. Also reject pitch over 4096 to avoid overflow. (cherry picked from commit b41c8cb12e202b220353332ab87dc01a11f69304)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux d38ceaf99ed015f2a0b9af3499791bd3a3daae21 ~ bc7397a033ac52f6d8c9bb6510d61694b2a3fce7 -
Linux Linux 4.2 -

II. Public POCs for CVE-2026-80540

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III. Intelligence Information for CVE-2026-80540

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Patches & Fixes for CVE-2026-80540 (8)

Same Patch Batch · Linux · 2026-08-26 · 92 CVEs total

CVE-2026-80557 9.8 CRITICAL libceph: fix OOB read in decode_watchers() via missing bounds check
CVE-2026-74737 9.8 CRITICAL net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG
CVE-2026-80589 9.8 CRITICAL block: stop the timeout timer when releasing a never added disk
CVE-2026-80587 9.8 CRITICAL mptcp: avoid combining some incoming suboptions
CVE-2026-74743 9.8 CRITICAL macvlan: inherit needed_headroom and needed_tailroom from lowerdev
CVE-2026-74744 9.8 CRITICAL ipvlan: inherit needed_headroom and needed_tailroom from phy_dev
CVE-2026-74746 9.8 CRITICAL netfilter: flowtable: publish GC-visible tuple last
CVE-2026-80561 9.8 CRITICAL libceph: fix multiple unsafe decodes in decode_locker()
CVE-2026-80558 9.8 CRITICAL libceph: Avoid using invalid osd indices from primary_temp
CVE-2026-74752 9.8 CRITICAL sctp: validate cookie AUTH state before use
CVE-2026-80586 9.8 CRITICAL mptcp: options: reset DSS fields in case of unexpected size
CVE-2026-80519 9.8 CRITICAL ovpn: finish crypto callback cleanup before peer release
CVE-2026-80528 9.8 CRITICAL ceph: avoid fs reclaim while using current->journal_info
CVE-2026-80585 9.4 CRITICAL mptcp: fastopen: only mark MPTFO subflows with SYN data
CVE-2026-74751 9.4 CRITICAL riscv: lib: Fix ZBB strnlen reading past count boundary
CVE-2026-80554 9.3 CRITICAL s390/vfio_ccw: Limit the number of channel program segments
CVE-2026-80551 9.3 CRITICAL s390/vfio_ccw: Ensure first IDAW remains constant
CVE-2026-80553 8.8 HIGH s390/vfio_ccw: Cancel existing workqueues
CVE-2026-80576 8.8 HIGH drm/amdgpu: reject oversized IBs with per-ring packet limits
CVE-2026-80548 8.8 HIGH s390/vfio_ccw: Selectively expand io_mutex

Showing top 20 of 92 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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