CVE-2023-52922

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52922
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52922.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52922
Related
Published
2024-11-28T15:15:17Z
Modified
2025-01-14T12:08:03.571653Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

can: bcm: Fix UAF in bcmprocshow()

BUG: KASAN: slab-use-after-free in bcmprocshow+0x969/0xa80 Read of size 8 at addr ffff888155846230 by task cat/7862

CPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Call Trace: <TASK> dumpstacklvl+0xd5/0x150 printreport+0xc1/0x5e0 kasanreport+0xba/0xf0 bcmprocshow+0x969/0xa80 seqreaditer+0x4f6/0x1260 seqread+0x165/0x210 procregread+0x227/0x300 vfsread+0x1d5/0x8d0 ksysread+0x11e/0x240 dosyscall64+0x35/0xb0 entrySYSCALL64after_hwframe+0x63/0xcd

Allocated by task 7846: kasansavestack+0x1e/0x40 kasansettrack+0x21/0x30 kasankmalloc+0x9e/0xa0 bcmsendmsg+0x264b/0x44e0 socksendmsg+0xda/0x180 _syssendmsg+0x735/0x920 _syssendmsg+0x11d/0x1b0 _syssendmsg+0xfa/0x1d0 dosyscall64+0x35/0xb0 entrySYSCALL64afterhwframe+0x63/0xcd

Freed by task 7846: kasansavestack+0x1e/0x40 kasansettrack+0x21/0x30 kasansavefreeinfo+0x27/0x40 __kasanslabfree+0x161/0x1c0 slabfreefreelisthook+0x119/0x220 _kmemcachefree+0xb4/0x2e0 rcucore+0x809/0x1bd0

bcmop is freed before procfs entry be removed in bcmrelease(), this lead to bcmprocshow() may read the freed bcm_op.

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
5.10.191-1

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
5.10.178-1
5.10.178-2
5.10.178-3
5.10.179-1
5.10.179-2
5.10.179-3
5.10.179-4
5.10.179-5

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
6.1.52-1

Affected versions

6.*

6.1.27-1
6.1.37-1
6.1.38-1
6.1.38-2~bpo11+1
6.1.38-2
6.1.38-3
6.1.38-4~bpo11+1
6.1.38-4

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
6.4.11-1

Affected versions

6.*

6.1.27-1
6.1.37-1
6.1.38-1
6.1.38-2~bpo11+1
6.1.38-2
6.1.38-3
6.1.38-4~bpo11+1
6.1.38-4
6.1.52-1
6.1.55-1~bpo11+1
6.1.55-1
6.1.64-1
6.1.66-1
6.1.67-1
6.1.69-1~bpo11+1
6.1.69-1
6.1.76-1~bpo11+1
6.1.76-1
6.1.82-1
6.1.85-1
6.1.90-1~bpo11+1
6.1.90-1
6.1.94-1~bpo11+1
6.1.94-1
6.1.98-1
6.1.99-1
6.1.106-1
6.1.106-2
6.1.106-3
6.1.112-1
6.1.115-1
6.1.119-1
6.1.123-1
6.1.124-1
6.3.1-1~exp1
6.3.2-1~exp1
6.3.4-1~exp1
6.3.5-1~exp1
6.3.7-1~bpo12+1
6.3.7-1
6.3.11-1
6.4~rc6-1~exp1
6.4~rc7-1~exp1
6.4.1-1~exp1
6.4.4-1~bpo12+1
6.4.4-1
6.4.4-2
6.4.4-3~bpo12+1
6.4.4-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}