DEBIAN-CVE-2023-53210

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Source
https://security-tracker.debian.org/tracker/CVE-2023-53210
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53210.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2023-53210
Upstream
Published
2025-09-15T15:15:47Z
Modified
2025-09-30T05:16:20.947011Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fix null-ptr-deref for r5lflushstripetoraid() r5lflushstripetoraid() will check if the list 'flushingios' is empty, and then submit 'flushbio', however, r5llogflushendio() is clearing the list first and then clear the bio, which will cause null-ptr-deref: T1: submit flush io raid5d handleactivestripes r5lflushstripetoraid // list is empty // add 'ioendios' to the list bioinit submitbio // io1 T2: io1 is done r5llogflushendio listsplicetailinit // clear the list T3: submit new flush io ... r5lflushstripetoraid // list is empty // add 'ioendios' to the list bioinit biouninit // clear bio->biblkg submitbio // null-ptr-deref Fix this problem by clearing bio before clearing the list in r5llogflushendio().

References

Affected packages

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
6.1.55-1

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

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
6.5.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / 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
6.5.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}