CVE-2023-524429.1Critical

CVE-2023-52442: ksmbd: validate session id and tree id in compound request

Linux

Vendor fix available · Affected: Linux · Exploitation: likely to be exploited (10% or more)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

29.6%probability of exploitation in the next 30 days

98th percentile

050100

Higher than 98% of scored CVEs

9.1CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in compound request `smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session() will always return the first request smb2 header in a compound request. if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will return 0, i.e. The tree id check is skipped. This patch use ksmbd_req_buf_next() to get current command in compound.

Affected products2

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Linux · LinuxVersions not stated
Linux · Linux5.15

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Exploitation: Likely to be exploited (10% or more). EPSS gives it a 10% or higher chance of exploitation in the next 30 days.
CISA KEV: Not listed
Public check: No public nuclei template
Vendor: Linux
Published: February 2024
Band: Likely to be exploited (10% or more), February 2024

CoverageNo articles yet

No CyberSIXT article names CVE-2023-52442 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.