CVE-2023-52440

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Source
https://cve.org/CVERecord?id=CVE-2023-52440
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52440.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52440
Downstream
Published
2024-02-21T07:21:00.438Z
Modified
2026-04-02T09:42:43.559651Z
Summary
ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()
Details

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix slub overflow in ksmbddecodentlmsspauthblob()

If authblob->SessionKey.Length is bigger than session key size(CIFSKEYSIZE), slub overflow can happen in key exchange codes. cifsarc4crypt copy to session key array from SessionKey from client.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52440.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
bd554ed4fdc3d38404a1c43d428432577573e809
Fixed
30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
Fixed
7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
Fixed
ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
Fixed
4b081ce0d830b684fdf967abc3696d1261387254

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52440.json"