CVE-2022-47939
- Source
- https://cve.org/CVERecord?id=CVE-2022-47939
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-47939.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-47939
- Downstream
- Published
- 2022-12-23T16:15:12.290Z
- Modified
- 2026-03-11T00:33:55.396529Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2TREEDISCONNECT.
- References
-
- http://www.openwall.com/lists/oss-security/2022/12/23/10
- https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1690/
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c
- https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-47939.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "5.15"
},
{
"fixed": "5.15.61"
}
]
},
{
"events": [
{
"introduced": "5.16"
},
{
"fixed": "5.18.18"
}
]
},
{
"events": [
{
"introduced": "5.19"
},
{
"fixed": "5.19.2"
}
]
}
]