Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix compose size exceed boundary syzkaller found a bug: BUG: unable to handle page fault for address: ffffc9000a3b1000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 100000067 P4D 100000067 PUD 10015f067 PMD 1121ca067 PTE 0 Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 23489 Comm: vivid-000-vid-c Not tainted 6.1.0-rc1+ #512 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:memcpy_erms+0x6/0x10 [...] Call Trace: <TASK> ? tpg_fill_plane_buffer+0x856/0x15b0 vivid_fillbuff+0x8ac/0x1110 vivid_thread_vid_cap_tick+0x361/0xc90 vivid_thread_vid_cap+0x21a/0x3a0 kthread+0x143/0x180 ret_from_fork+0x1f/0x30 </TASK> This is because we forget to check boundary after adjust compose->height int V4L2_SEL_TGT_CROP case. Add v4l2_rect_map_inside() to fix this problem for this case.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before 8c0ee15d9a102c732d0745566d254040085d5663; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before 5edc3604151919da8da0fb092b71d7dce07d848a; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before 9c7fba9503b826f0c061d136f8f0c9f953ed18b9; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before 54f259906039dbfe46c550011409fa16f72370f6; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before f9d19f3a044ca651b0be52a4bf951ffe74259b9f; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before ab54081a2843aefb837812fac5488cc8f1696142; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before ccb5392c4fea0e7d9f7ab35567e839d74cb3998b; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before 2f558c5208b0f70c8140e08ce09fcc84da48e789; affected ef834f7836ec0502f49f20bbc42f1240577a9c83 before 94a7ad9283464b75b12516c5512541d467cefcf8 |
| Linux / Linux | affected 3.18; unaffected 0 before 3.18; unaffected 4.9.337 through 4.9.*; unaffected 4.14.303 through 4.14.*; unaffected 4.19.270 through 4.19.*; unaffected 5.4.229 through 5.4.*; unaffected 5.10.163 through 5.10.*; unaffected 5.15.86 through 5.15.*; unaffected 6.0.16 through 6.0.*; unaffected 6.1.2 through 6.1.*; unaffected 6.2 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663
- https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a
- https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9
- https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6
- https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f
- https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142
- https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b
- https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789
- https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8
ADP enrichment
No English description supplied.
No references supplied.