High
Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.
Announced Group revision 1
Original source ↗CVE-2023-53827
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-2023-53827
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": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "f2d38e77aa5f3effc143e7dd24da8acf02925958",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "1351551aa9058e07a20a27a158270cf84fcde621",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "c02421992505c95c7f3c9ad59ee35e22eac60988",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "d9ba36c22a7bb09d6bac4cc2f243eff05da53f43",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "ac6725a634f7e8c0330610a8527f20c730b61115",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "348d446762e7c70778df8bafbdf3fa0df2123f58",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284",
"versionType": "git"
},
{
"status": "affected",
"version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
"lessThan": "a2a9339e1c9deb7e1e079e12e27a0265aea8421a",
"versionType": "git"
}
],
"programFiles": [
"net/bluetooth/l2cap_core.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": "4.14.313",
"versionType": "semver",
"lessThanOrEqual": "4.14.*"
},
{
"status": "unaffected",
"version": "4.19.281",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.241",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.178",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.108",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.25",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.2.12",
"versionType": "semver",
"lessThanOrEqual": "6.2.*"
},
{
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/bluetooth/l2cap_core.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2023-53827
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30327 · Revision 1
- Added to Heist Feed
- Publisher date