CVE-2023-52752

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52752
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52752.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52752
Downstream
Related
Published
2024-05-21T16:15:14Z
Modified
2025-07-29T11:00:31.222542Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

smb: client: fix use-after-free bug in cifsdebugdataprocshow()

Skip SMB sessions that are being teared down (e.g. @ses->sesstatus == SESEXITING) in cifsdebugdataprocshow() to avoid use-after-free in @ses.

This fixes the following GPF when reading from /proc/fs/cifs/DebugData while mounting and umounting

[ 816.251274] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI ... [ 816.260138] Call Trace: [ 816.260329] <TASK> [ 816.260499] ? dieaddr+0x36/0x90 [ 816.260762] ? excgeneralprotection+0x1b3/0x410 [ 816.261126] ? asmexcgeneralprotection+0x26/0x30 [ 816.261502] ? cifsdebugtcon+0xbd/0x240 [cifs] [ 816.261878] ? cifsdebugtcon+0xab/0x240 [cifs] [ 816.262249] cifsdebugdataprocshow+0x516/0xdb0 [cifs] [ 816.262689] ? seqreaditer+0x379/0x470 [ 816.262995] seqreaditer+0x118/0x470 [ 816.263291] procregreaditer+0x53/0x90 [ 816.263596] ? srsoaliasreturnthunk+0x5/0x7f [ 816.263945] vfsread+0x201/0x350 [ 816.264211] ksysread+0x75/0x100 [ 816.264472] dosyscall64+0x3f/0x90 [ 816.264750] entrySYSCALL64afterhwframe+0x6e/0xd8 [ 816.265135] RIP: 0033:0x7fd5e669d381

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
5.10.237-1

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
5.10.191-1
5.10.197-1
5.10.205-1
5.10.205-2
5.10.209-1
5.10.209-2
5.10.216-1
5.10.218-1
5.10.221-1
5.10.223-1
5.10.226-1
5.10.234-1

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
6.1.64-1

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

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
6.6.8-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}