net: tls: avoid hanging tasks on the tx_lock
In the Linux kernel, the following vulnerability has been resolved: net: tls: avoid hanging tasks on the tx_lock syzbot sent a hung task report and Eric explains that adversarial receiver may keep RWIN at 0 for a long time, so we are not guaranteed to make forward progress. Thread which took tx_lock and went to sleep may not release tx_lock for hours. Use interruptible sleep where possible and reschedule the work if it can't take the lock. Testing: existing selftest passes
CVE-2023-54306
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-2023-54306
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": "79ffe6087e9145d2377385cac48d0d6a6b4225a5",
"lessThan": "bde541a57b4204d0a800afbbd3d1c06c9cdb133f",
"versionType": "git"
},
{
"status": "affected",
"version": "79ffe6087e9145d2377385cac48d0d6a6b4225a5",
"lessThan": "7123a4337bf73132bbfb5437e4dc83ba864a9a1e",
"versionType": "git"
},
{
"status": "affected",
"version": "79ffe6087e9145d2377385cac48d0d6a6b4225a5",
"lessThan": "be5d5d0637fd88c18ee76024bdb22649a1de00d6",
"versionType": "git"
},
{
"status": "affected",
"version": "79ffe6087e9145d2377385cac48d0d6a6b4225a5",
"lessThan": "1f800f6aae57d2d8f63d32fff383017cbc11cf65",
"versionType": "git"
},
{
"status": "affected",
"version": "79ffe6087e9145d2377385cac48d0d6a6b4225a5",
"lessThan": "ccf1ccdc5926907befbe880b562b2a4b5f44c087",
"versionType": "git"
},
{
"status": "affected",
"version": "79ffe6087e9145d2377385cac48d0d6a6b4225a5",
"lessThan": "f3221361dc85d4de22586ce8441ec2c67b454f5d",
"versionType": "git"
},
{
"status": "affected",
"version": "c8d6817345f4ba228d07380e571676405e112872",
"versionType": "git"
},
{
"status": "affected",
"version": "5.3.11",
"lessThan": "5.4",
"versionType": "semver"
}
],
"programFiles": [
"net/tls/tls_sw.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.235",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.173",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.100",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.18",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.2.5",
"versionType": "semver",
"lessThanOrEqual": "6.2.*"
},
{
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/tls/tls_sw.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2023-54306
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30377 · Revision 1
- Added to Heist Feed
- Publisher date