CVE-2025-38441

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-38441
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38441.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-38441
Downstream
Related
Published
2025-07-25T16:15:29Z
Modified
2025-08-30T19:00:59.741221Z
Summary
[none]
Details

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

netfilter: flowtable: account for Ethernet header in nfflowpppoe_proto()

syzbot found a potential access to uninit-value in nfflowpppoe_proto()

Blamed commit forgot the Ethernet header.

BUG: KMSAN: uninit-value in nfflowoffloadinethook+0x7e4/0x940 net/netfilter/nfflowtableinet.c:27 nfflowoffloadinethook+0x7e4/0x940 net/netfilter/nfflowtableinet.c:27 nfhookentryhookfn include/linux/netfilter.h:157 [inline] nfhookslow+0xe1/0x3d0 net/netfilter/core.c:623 nfhookingress include/linux/netfilternetdev.h:34 [inline] nfingress net/core/dev.c:5742 [inline] _netifreceiveskbcore+0x4aff/0x70c0 net/core/dev.c:5837 _netifreceiveskbonecore net/core/dev.c:5975 [inline] _netifreceiveskb+0xcc/0xac0 net/core/dev.c:6090 netifreceiveskbinternal net/core/dev.c:6176 [inline] netifreceiveskb+0x57/0x630 net/core/dev.c:6235 tunrxbatched+0x1df/0x980 drivers/net/tun.c:1485 tungetuser+0x4ee0/0x6b40 drivers/net/tun.c:1938 tunchrwriteiter+0x3e9/0x5c0 drivers/net/tun.c:1984 newsyncwrite fs/readwrite.c:593 [inline] vfswrite+0xb4b/0x1580 fs/readwrite.c:686 ksyswrite fs/readwrite.c:738 [inline] _dosyswrite fs/readwrite.c:749 [inline]

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
6.1.147-1

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
6.1.128-1
6.1.129-1
6.1.133-1
6.1.135-1
6.1.137-1
6.1.139-1
6.1.140-1

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
6.12.41-1

Affected versions

6.*

6.12.38-1

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
6.16.3-1

Affected versions

6.*

6.12.38-1
6.12.41-1
6.12.43-1
6.13~rc6-1~exp1
6.13~rc7-1~exp1
6.13.2-1~exp1
6.13.3-1~exp1
6.13.4-1~exp1
6.13.5-1~exp1
6.13.6-1~exp1
6.13.7-1~exp1
6.13.8-1~exp1
6.13.9-1~exp1
6.13.10-1~exp1
6.13.11-1~exp1
6.14.3-1~exp1
6.14.5-1~exp1
6.14.6-1~exp1
6.15~rc7-1~exp1
6.15-1~exp1
6.15.1-1~exp1
6.15.2-1~exp1
6.15.3-1~exp1
6.15.4-1~exp1
6.15.5-1~exp1
6.15.6-1~exp1
6.16~rc7-1~exp1
6.16-1~exp1
6.16.1-1~exp1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}