Linux vulnerability

What happened

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix 1-byte out-of-bounds read in uvc_parse_format() The buffer length check before calling uvc_parse_format() only ensured that the buffer has at least 3 bytes (buflen > 2), buf the function accesses buffer[3], requiring at least 4 bytes. This can lead to an out-of-bounds read if the buffer has exactly 3 bytes. Fix it by checking that the buffer has at least 4 bytes in uvc_parse_format().

Affected versions

Linux: c0efd232929c2cd87238de2cccdaf4e845be5b0c through before 9ad554217c9b945031c73df4e8176a475e2dea57 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before 1e269581b3aa5962fdc52757ab40da286168c087 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before 8343f3fe0b755925f83d60b05e92bf4396879758 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before ffdd82182953df643aa63d999b6f1653d0c93778 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before a97e062e4ff3dab84a2f1eb811e9eddc6699e2a9 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before cac702a439050df65272c49184aef7975fe3eff2 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before 424980d33b3f816485513e538610168b03fab9f1 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before 6d4a7c0b296162354b6fc759a1475b9d57ddfaa6 (git); c0efd232929c2cd87238de2cccdaf4e845be5b0c through before 782b6a718651eda3478b1824b37a8b3185d2740c (git); 2.6.26; before V5.0 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.