Description
In the Linux kernel, the following vulnerability has been resolved: media: dvb-net: fix OOB access in ULE extension header tables The ule_mandatory_ext_handlers[] and ule_optional_ext_handlers[] tables in handle_one_ule_extension() are declared with 255 elements (valid indices 0-254), but the index htype is derived from network-controlled data as (ule_sndu_type & 0x00FF), giving a range of 0-255. When htype equals 255, an out-of-bounds read occurs on the function pointer table, and the OOB value may be called as a function pointer. Add a bounds check on htype against the array size before either table is accessed. Out-of-range values now cause the SNDU to be discarded.
Product status
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before e51238718217c4abdb3ccc3b0c0cde265c7ec629
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before b2bd2ee73b697c177157bba534e1b1064c2e66a0
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 29ef43ceb121d67b87f4cbb08439e4e9e732eff8
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 1a6da3dbb9985d00743073a1cc1f96e59f5abc30
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 145e50c2c700fa52b840df7bab206043997dd18e
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 8bde543d2a5f935ba2a6a6325a2e02f8a9256fbe
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before f2b65dcb78c8990e4c68a906627433be1fe38a92
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 24d87712727a5017ad142d63940589a36cd25647
2.6.12
Any version before 2.6.12
5.10.253 (semver)
5.15.203 (semver)
6.1.167 (semver)
6.6.130 (semver)
6.12.78 (semver)
6.18.19 (semver)
6.19.9 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/e51238718217c4abdb3ccc3b0c0cde265c7ec629
git.kernel.org/...c/b2bd2ee73b697c177157bba534e1b1064c2e66a0
git.kernel.org/...c/29ef43ceb121d67b87f4cbb08439e4e9e732eff8
git.kernel.org/...c/1a6da3dbb9985d00743073a1cc1f96e59f5abc30
git.kernel.org/...c/145e50c2c700fa52b840df7bab206043997dd18e
git.kernel.org/...c/8bde543d2a5f935ba2a6a6325a2e02f8a9256fbe
git.kernel.org/...c/f2b65dcb78c8990e4c68a906627433be1fe38a92
git.kernel.org/...c/24d87712727a5017ad142d63940589a36cd25647