DEBIAN-CVE-2024-26712

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Source
https://security-tracker.debian.org/tracker/DEBIAN-CVE-2024-26712
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26712.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2024-26712
Upstream
Published
2024-04-03T15:15:53Z
Modified
2025-09-19T07:35:00.904323Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix addr error caused by page alignment In kasaninitregion, when kstart is not page aligned, at the begin of for loop, kcur = kstart & PAGEMASK is less than kstart, and then va = block + k_cur - k_start is less than block, the addr va is invalid, because the memory address space from va to block is not alloced by memblockalloc, which will not be reserved by memblockreserve later, it will be used by other places. As a result, memory overwriting occurs. for example: int _init _weak kasaninitregion(void *start, sizet size) { [...] /* if say block(dcd97000) kstart(feef7400) kend(feeff3fe) / block = memblock_alloc(k_end - k_start, PAGE_SIZE); [...] for (k_cur = k_start & PAGE_MASK; k_cur < k_end; k_cur += PAGE_SIZE) { / at the begin of for loop * block(dcd97000) va(dcd96c00) kcur(feef7000) kstart(feef7400) * va(dcd96c00) is less than block(dcd97000), va is invalid */ void *va = block + kcur - kstart; [...] } [...] } Therefore, page alignment is performed on kstart before memblockalloc() to ensure the validity of the VA address.

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
5.10.216-1

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

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
6.1.82-1

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

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
6.7.7-1

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
6.7.7-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}