CVE-2022-47941
HIGH
7.5
CVSS Score
Published: December 23, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:14 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.5
Exploit prediction
EPSS 5%
SSVC
No known exploit
Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.15 ≤ v < 5.15.615.16 ≤ v < 5.18.185.19 ≤ v < 5.19.2
Affected range stops below 5.15.61, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.19.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Mailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/12/23/10Mailing ListPatchVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2Mailing ListPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917PatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-1687/SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-401
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