Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case In decode_int(), the CONS case calls get_bits(bs, 2) to read a length value, then calls get_uint(bs, len) without checking that len bytes remain in the buffer. The existing boundary check only validates the 2 bits for get_bits(), not the subsequent 1-4 bytes that get_uint() reads. This allows a malformed H.323/RAS packet to cause a 1-4 byte slab-out-of-bounds read. Add a boundary check for len bytes after get_bits() and before get_uint().
Product status
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before a2cd54b9348e485d338b3c132338a4410c99afaf
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before c95dc674ebf01ecfb40388b6facfc89b81fed3b7
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before 41b417ff73a24b2c68134992cc44c88db27f482d
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before 52235bf88159a1ef16434ab49e47e99c8a09ab20
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before 774a434f8c9c8602a976b2536f65d0172a07f4d2
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before 6bce72daeccca9aa1746e92d6c3d4784e71f2ebb
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before fb6c3596823ec5dd09c2123340330d7448f51a59
5e35941d990123f155b02d5663e51a24f816b6f3 (git) before 1e3a3593162c96e8a8de48b1e14f60c3b57fca8a
2.6.17
Any version before 2.6.17
5.10.253 (semver)
5.15.203 (semver)
6.1.167 (semver)
6.6.130 (semver)
6.12.78 (semver)
6.18.20 (semver)
6.19.10 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/a2cd54b9348e485d338b3c132338a4410c99afaf
git.kernel.org/...c/c95dc674ebf01ecfb40388b6facfc89b81fed3b7
git.kernel.org/...c/41b417ff73a24b2c68134992cc44c88db27f482d
git.kernel.org/...c/52235bf88159a1ef16434ab49e47e99c8a09ab20
git.kernel.org/...c/774a434f8c9c8602a976b2536f65d0172a07f4d2
git.kernel.org/...c/6bce72daeccca9aa1746e92d6c3d4784e71f2ebb
git.kernel.org/...c/fb6c3596823ec5dd09c2123340330d7448f51a59
git.kernel.org/...c/1e3a3593162c96e8a8de48b1e14f60c3b57fca8a