ipv4: start using dst_dev_rcu()
In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dst_dev_rcu() Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().
CVE-2025-40074
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-40074
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
"lessThan": "864155c164654110f68a17a63bd0339754790d67",
"versionType": "git"
},
{
"status": "affected",
"version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
"lessThan": "e150f273cd8ed34ebc6d03758aad95c12fc58337",
"versionType": "git"
},
{
"status": "affected",
"version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
"lessThan": "684efb2c86c887685f9aa65e1a21b3df6c1f822d",
"versionType": "git"
},
{
"status": "affected",
"version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
"lessThan": "923e0734c386984d45de508528a7a7ad91d791cc",
"versionType": "git"
},
{
"status": "affected",
"version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
"lessThan": "6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8",
"versionType": "git"
}
],
"programFiles": [
"net/ipv4/icmp.c",
"net/ipv4/ip_fragment.c",
"net/ipv4/ipmr.c",
"net/ipv4/route.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.13"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.13",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.189",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.106",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.3",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/ipv4/icmp.c",
"net/ipv4/ip_fragment.c",
"net/ipv4/ipmr.c",
"net/ipv4/route.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-40074
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #8240 · Revision 1
- Added to Heist Feed
- Publisher date