Ubuntu.comUB:CVE-2023-52440CVE-2023-52440
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
15.9%
In the Linux kernel, the following vulnerability has been resolved: ksmbd:
fix slub overflow in ksmbd_decode_ntlmssp_auth_blob() If
authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE),
slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to
session key array from SessionKey from client.
Bugs
Notes
| Author | Note |
|---|---|
| sbeattie | ZDI-CAN-21940 |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux-oem-6.5 | < 6.5.0-1004.4 | UNKNOWN |
References
git.kernel.org/linus/4b081ce0d830b684fdf967abc3696d1261387254 (6.6-rc1)
git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254
git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
launchpad.net/bugs/cve/CVE-2023-52440
nvd.nist.gov/vuln/detail/CVE-2023-52440
security-tracker.debian.org/tracker/CVE-2023-52440
www.cve.org/CVERecord?id=CVE-2023-52440
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
15.9%