Linux Kernel Out-of-Bounds Write Vulnerability
In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format This can lead to out of bounds writes since frames of this type were not taken into…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 2 / 5
- KEV catalog (CISA)05 Feb 2025
- Exploited in EUVD (ENISA)05 Feb 2025
- Used by ransomwareno
- EPSS above 10 %3.4%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format This can lead to out of bounds writes since frames of this type were not taken into account when calculating the size of the frames buffer in uvc_parse_streaming.
Affected products
- patch: 0
- patch: 6.12.1
- patch: 6.6.61
- c0efd232929c2cd87238de2cccdaf4e845be5b0c <95edf13a48e75dc2cc5b0bc57bf90d6948a22fe8
- patch: 5.15.172
- c0efd232929c2cd87238de2cccdaf4e845be5b0c <575a562f7a3ec2d54ff77ab6810e3fbceef2a91d
- patch: 6.13
- c0efd232929c2cd87238de2cccdaf4e845be5b0c <ecf2b43018da9579842c774b7f35dbe11b5c38dd
- patch: 4.19.324
- patch: 6.1.117
- c0efd232929c2cd87238de2cccdaf4e845be5b0c <684022f81f128338fe3587ec967459669a1204ae
- patch: 5.10.230
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
References
Other exploited vulnerabilities from the same vendor
- CVE-2026-46300Linux Kernel Missing Initialization of a Variable Vulnerability5.4 · Rising fast
- CVE-2026-53266Linux Kernel Out-of-Bounds Write Vulnerability4.7 · Actively exploited
- CVE-2025-39964Linux Kernel Race Condition Vulnerability4.4 · Actively exploited
- CVE-2025-39682Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability5.8 · Actively exploited
- CVE-2026-53362Linux Kernel Unspecified Vulnerability4.3 · Actively exploited
- CVE-2022-0995Linux Kernel Out-of-Bounds Write Vulnerability4.6 · Actively exploited