cve-2022-48987
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2024-12-19 08:11
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: v4l2-dv-timings.c: fix too strict blanking sanity checks Sanity checks were added to verify the v4l2_bt_timings blanking fields in order to avoid integer overflows when userspace passes weird values. But that assumed that userspace would correctly fill in the front porch, backporch and sync values, but sometimes all you know is the total blanking, which is then assigned to just one of these fields. And that can fail with these checks. So instead set a maximum for the total horizontal and vertical blanking and check that each field remains below that. That is still sufficient to avoid integer overflows, but it also allows for more flexibility in how userspace fills in these fields.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d73b49c4037199472b29574ae21c21aef493971Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2572ab14b73aa45b6ae7e4c089ccf119fed5cf89Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32f01f0306a98629508f84d7ef0d1d037bc274a2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4afc77068e36cee45b39d4fdc7513de26980f72cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5eef2141776da02772c44ec406d6871a790761eePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fb8bc29bfa80707994a63cc97e2f9920e0b0608Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a2b56627c0d13009e02f6f2c0206c0451ed19a0ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3d14cdf1c7ae2caa3e999bae95ba99e955fb7c3Patch
Impacted products
Vendor Product Version
Linux Linux Version: 15ded23db134da975b49ea99770de0346c193b24
Version: 3d43b2b8a3cdadd6cef9ac8ef5d156b6214a01c8
Version: 9cf9211635b68e8e0c8cb88d43ca7dc83e4632aa
Version: b4a3a01762ae072c7f6ff2ff53b5019761288346
Version: 683015ae163481457a16fad2317af66360dc4762
Version: 491c0959f01d87bcbd5a1498bc70e0a3382c65a8
Version: dc7276c3f6ca008be1faf531f84b49906c9bcf7f
Version: 4b6d66a45ed34a15721cb9e11492fa1a24bc83df
 Create a notification for this product.
   Linux Linux Version: 4.9.332   ≤
Version: 4.14.298   ≤
Version: 4.19.264   ≤
Version: 5.4.223   ≤
Version: 5.10.153   ≤
Version: 5.15.77   ≤
Version: 6.0.7   ≤
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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.