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Review reviewHigh

CVE-2024-26592

Linux Linux, linux_kernel, linux kernel

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF issue in ksmbd_tcp_new_connection() The race is between the handling of a new TCP connection and its disconnection. It leads to UAF on `struct tcp_transport` in ksmbd_tcp_new_connection() function.

CVSS
7.8
EPSS
0.97%
58.6% percentile
CISA KEV
Not listed
Published
2024.02.23
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.97%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF issue in ksmbd_tcp_new_connection() The race is between the handling of a new TCP connection and its disconnection. It leads to UAF on `struct tcp_transport` in ksmbd_tcp_new_connection() function.

Affected product and versions

Product
Linux Linux, linux_kernel, linux kernel
Affected versions
>= a848c4f15ab6d5d405dbee7de5da71839b2bf35e < 999daf367b924fdf14e9d83e034ee0f86bc17ec6, >= a848c4f15ab6d5d405dbee7de5da71839b2bf35e < 380965e48e9c32ee4263c023e1d830ea7e462ed1, >= a848c4f15ab6d5d405dbee7de5da71839b2bf35e < 24290ba94cd0136e417283b0dbf8fcdabcf62111, >= a848c4f15ab6d5d405dbee7de5da71839b2bf35e < 69d54650b751532d1e1613a4fb433e591aeef126, >= a848c4f15ab6d5d405dbee7de5da71839b2bf35e < 38d20c62903d669693a1869aa68c4dd5674e2544, >= 5.15, >= a848c4f15ab6 < 999daf367b92, >= a848c4f15ab6 < 380965e48e9c, >= a848c4f15ab6 < 24290ba94cd0, >= a848c4f15ab6 < 69d54650b751, >= a848c4f15ab6 < 38d20c62903d, >= 5.15.0 < 5.15.149, >= 5.16.0 < 6.1.75, >= 6.2.0 < 6.6.14, >= 6.7.0 < 6.7.2
Fixed versions
5.15.149, 6.1.75, 6.6.14, 6.7.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux_kernel, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416