CVE-2022-48945 (GCVE-0-2022-48945)
Vulnerability from cvelistv5 – Published: 2024-09-23 09:46 – Updated: 2025-05-04 08:26
VLAI?
Title
media: vivid: fix compose size exceed boundary
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
ef834f7836ec0502f49f20bbc42f1240577a9c83 , < 8c0ee15d9a102c732d0745566d254040085d5663
(git)
Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < 5edc3604151919da8da0fb092b71d7dce07d848a (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < 9c7fba9503b826f0c061d136f8f0c9f953ed18b9 (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < 54f259906039dbfe46c550011409fa16f72370f6 (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < f9d19f3a044ca651b0be52a4bf951ffe74259b9f (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < ab54081a2843aefb837812fac5488cc8f1696142 (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < ccb5392c4fea0e7d9f7ab35567e839d74cb3998b (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < 2f558c5208b0f70c8140e08ce09fcc84da48e789 (git) Affected: ef834f7836ec0502f49f20bbc42f1240577a9c83 , < 94a7ad9283464b75b12516c5512541d467cefcf8 (git) |
|||||||
|
|||||||||
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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