Unrated
tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()
In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.
Announced Group revision 1
Original source ↗CVE-2025-68188
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-2025-68188
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": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4",
"lessThan": "e61dfd906ad027a4ade1f89e5fe706a3fcd52527",
"versionType": "git"
},
{
"status": "affected",
"version": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4",
"lessThan": "bc2b881a0896c111c1041d8bb1f92a3b3873ace5",
"versionType": "git"
},
{
"status": "affected",
"version": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4",
"lessThan": "06da08d9355bf8e2070459bbedbe372ccc02cc0e",
"versionType": "git"
},
{
"status": "affected",
"version": "cf1ef3f0719b4dcb74810ed507e2a2540f9811b4",
"lessThan": "b62a59c18b692f892dcb8109c1c2e653b2abc95c",
"versionType": "git"
}
],
"programFiles": [
"net/ipv4/tcp_fastopen.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.12",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.58",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.8",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/ipv4/tcp_fastopen.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-68188
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #46055 · Revision 1
- Added to Heist Feed
- Publisher date