Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: do not index invalid pin_assignments A poorly implemented DisplayPort Alt Mode port partner can indicate that its pin assignment capabilities are greater than the maximum value, DP_PIN_ASSIGN_F. In this case, calls to pin_assignment_show will cause a BRK exception due to an out of bounds array access. Prevent for loop in pin_assignment_show from accessing invalid values in pin_assignments by adding DP_PIN_ASSIGN_MAX value in typec_dp.h and using i < DP_PIN_ASSIGN_MAX as a loop condition.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < c93bc959788ed9a1af7df57cb539837bdf790ceeaffected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 114a977e0f6bf278e05eade055e13fc271f69cf7affected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 621d5a3ef0231ab242f2d31eecec40c38ca609c5affected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 2f535517b5611b7221ed478527e4b58e29536ddfaffected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 45e9444b3b97eaf51a5024f1fea92f44f39b50c6affected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 5581e694d3a1c2f32c5a51d745c55b107644e1f8affected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 47cb5d26f61d80c805d7de4106451153779297a1affected0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < af4db5a35a4ef7a68046883bfd12468007db38f1affected
Linux Linux
Default version status: affected
4.19affected0 to < 4.19unaffected5.4.296 to ≤ 5.4.*unaffected5.10.240 to ≤ 5.10.*unaffected5.15.187 to ≤ 5.15.*unaffected6.1.144 to ≤ 6.1.*unaffected6.6.97 to ≤ 6.6.*unaffected6.12.37 to ≤ 6.12.*unaffected6.15.6 to ≤ 6.15.*unaffected6.16 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/c93bc959788ed9a1af7df57cb539837bdf790cee ↗
- https://git.kernel.org/stable/c/114a977e0f6bf278e05eade055e13fc271f69cf7 ↗
- https://git.kernel.org/stable/c/621d5a3ef0231ab242f2d31eecec40c38ca609c5 ↗
- https://git.kernel.org/stable/c/2f535517b5611b7221ed478527e4b58e29536ddf ↗
- https://git.kernel.org/stable/c/45e9444b3b97eaf51a5024f1fea92f44f39b50c6 ↗
- https://git.kernel.org/stable/c/5581e694d3a1c2f32c5a51d745c55b107644e1f8 ↗
- https://git.kernel.org/stable/c/47cb5d26f61d80c805d7de4106451153779297a1 ↗
- https://git.kernel.org/stable/c/af4db5a35a4ef7a68046883bfd12468007db38f1 ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html ↗