// For flags

CVE-2022-48945

media: vivid: fix compose size exceed boundary

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
-
Attack Complexity
-
Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-08-22 CVE Reserved
  • 2024-09-23 CVE Published
  • 2024-09-24 EPSS Updated
  • 2024-11-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.18 < 4.9.337
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 4.9.337"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.18 < 4.14.303
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 4.14.303"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.18 < 4.19.270
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 4.19.270"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.18 < 5.4.229
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 5.4.229"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.18 < 5.10.163
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 5.10.163"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.18 < 5.15.86
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 5.15.86"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.18 < 6.0.16
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 6.0.16"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.18 < 6.1.2
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 6.1.2"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.18 < 6.2
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.18 < 6.2"
en
Affected