CVE-2022-48945

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-48945
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48945.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-48945
Related
Published
2024-09-23T10:15:02Z
Modified
2024-09-26T14:49:28.825585Z
Summary
[none]
Details

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: errorcode(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:memcpyerms+0x6/0x10 [...] Call Trace: <TASK> ? tpgfillplanebuffer+0x856/0x15b0 vividfillbuff+0x8ac/0x1110 vividthreadvidcaptick+0x361/0xc90 vividthreadvidcap+0x21a/0x3a0 kthread+0x143/0x180 retfrom_fork+0x1f/0x30 </TASK>

This is because we forget to check boundary after adjust compose->height int V4L2SELTGTCROP case. Add v4l2rectmapinside() to fix this problem for this case.

References

Affected packages

Debian:11 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.178-1

Affected versions

5.*

5.10.46-4
5.10.46-5
5.10.70-1~bpo10+1
5.10.70-1
5.10.84-1
5.10.92-1~bpo10+1
5.10.92-1
5.10.92-2
5.10.103-1~bpo10+1
5.10.103-1
5.10.106-1
5.10.113-1
5.10.120-1~bpo10+1
5.10.120-1
5.10.127-1
5.10.127-2~bpo10+1
5.10.127-2
5.10.136-1
5.10.140-1
5.10.148-1
5.10.149-1
5.10.149-2
5.10.158-1
5.10.158-2
5.10.162-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}