net: annotate data-races around sk->sk_{data_ready,write_space}
In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk->sk_{data_ready,write_space} skmsg (and probably other layers) are changing these pointers while other cpus might read them concurrently. Add corresponding READ_ONCE()/WRITE_ONCE() annotations for UDP, TCP and AF_UNIX.
CVE-2026-23302
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-2026-23302
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": "604326b41a6fb9b4a78b6179335decee0365cd8c",
"lessThan": "279f2b67d1c44ee139bd3fdb221850daa9358449",
"versionType": "git"
},
{
"status": "affected",
"version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
"lessThan": "7ad01905831c815520f1b0486336a03bb7420465",
"versionType": "git"
},
{
"status": "affected",
"version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
"lessThan": "c494448bb522bbbb63096540eb2319101a0480ab",
"versionType": "git"
},
{
"status": "affected",
"version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
"lessThan": "f17c1c4acbe2bd702abce73a847a04a196fab2c5",
"versionType": "git"
},
{
"status": "affected",
"version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
"lessThan": "27fccdbcbbfc4651b6f66756e6fa3f52e051ec23",
"versionType": "git"
},
{
"status": "affected",
"version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
"lessThan": "2ef2b20cf4e04ac8a6ba68493f8780776ff84300",
"versionType": "git"
}
],
"programFiles": [
"net/core/skmsg.c",
"net/ipv4/tcp.c",
"net/ipv4/tcp_bpf.c",
"net/ipv4/tcp_input.c",
"net/ipv4/tcp_minisocks.c",
"net/ipv4/udp.c",
"net/ipv4/udp_bpf.c",
"net/unix/af_unix.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.20"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.20",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.177",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.136",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.82",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.17",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.7",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/core/skmsg.c",
"net/ipv4/tcp.c",
"net/ipv4/tcp_bpf.c",
"net/ipv4/tcp_input.c",
"net/ipv4/tcp_minisocks.c",
"net/ipv4/udp.c",
"net/ipv4/udp_bpf.c",
"net/unix/af_unix.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-23302
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #27219 · Revision 1
- Added to Heist Feed
- Publisher date