High
Bluetooth: L2CAP: Fix potential user-after-free
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime.
Announced Group revision 1
Original source ↗CVE-2023-54214
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-2023-54214
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": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "b2fde8cb2a25125111f2144604e0e7c0ebcc4bba",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "60aaccf16d1e099c16bebfb96428ae762cb528f7",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "b8ed41cc04fb74005aa51d17865ca3d022760335",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "31a288a4df7f6a28e65da22a4ab2add4a963738e",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "64e28ecf44e46de9f01915a4146706a21c3469d2",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "994e3e18908f5c4a12d07b44018e6aa85f071048",
"versionType": "git"
},
{
"status": "affected",
"version": "a6a5568c03c4805d4d250f6bd9d468eeeb4ea059",
"lessThan": "df5703348813235874d851934e957c3723d71644",
"versionType": "git"
}
],
"programFiles": [
"net/bluetooth/l2cap_core.c",
"net/bluetooth/l2cap_sock.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.5"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.14.308",
"versionType": "semver",
"lessThanOrEqual": "4.14.*"
},
{
"status": "unaffected",
"version": "4.19.276",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"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": "5.15.99",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.16",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.2.3",
"versionType": "semver",
"lessThanOrEqual": "6.2.*"
},
{
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/bluetooth/l2cap_core.c",
"net/bluetooth/l2cap_sock.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2023-54214
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30362 · Revision 1
- Added to Heist Feed
- Publisher date