CVE-2026-80909Disclosure

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reject UVD message with invalid number of h265 refs Same change as for h264, avoids overflow later when calculating min dpb size. (cherry picked from commit a4b0720e4f1601f97f59a2be9c1b4b94fa6527d5)

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0.5/ 10 priority

Sources & remediation

Other references

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

Patch or workaround signal is available
2 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
Disclosure: 2 classified signals
Peaked 1d ago at 1 mentions (2026-09-05); latest day: 1
2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters39d
Disclosure
CVE-2026-80909 affects Linux kernel drm/amdgpu: UVD messages with invalid h265 refs can trigger an overflow. Potential for local DoS or memory corruption. CVSS not assigned, patch unknown. Update your kernel once a fix is available. https://www.valtersit.com/cve/CVE-2026-80909 #cybersecurit #valtersit #CVE #CVEAlert #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #ethicalhacking #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker #kali
Post summary
CVE‑2026‑80909 is a local denial‑of‑service or memory corruption flaw in the Linux kernel drm/amdgpu driver triggered by invalid H.265 references in UVD messages; no patch yet, so users are advised to update the kernel when a fix arrives.
0000054
1.1K followersView on X
VulDB 🛡@vuldb46d
Disclosure
We have just added an important vulnerability affecting Linux Kernel (CVE-2026-80909) https://vuldb.com/vuln/399115
Post summary
The post announces the existence of CVE‑2026‑80909 and links to an external site, but provides no PoC, exploit, patch, technical details, or claim of active exploitation.
00000127
2.3K followersView on X

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