CVE-2023-32255
Kernel: memory leak via ksmbd session setup request with unknown ntlmssp message type
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.15.111, 6.1.28, 6.2.15, 6.3.2
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- linux
fixed in 5.15.111; From 6.0.0; From 6.1.0 · fixed in 6.1.28; From 6.2.0 · fixed in 6.2.15; From 6.3.0 · fixed in 6.3.2
- kernel
Version range not reported
- kernel
Version range not reported
- kernel
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- kernel-rt
Version range not reported
- kernel
Version range not reported
- kernel-rt
Version range not reported
- kernel
Version range not reported
- kernel-rt
Version range not reported