CVE-2023-2162 — A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drive

A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.

01What is this vulnerability?

A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.

02Affected products

Vendor	Product	Versions
n	a / Kernel	Linux Kernel version prior to Kernel 6.2 RC6

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-19T00:00:00.000Z
• Last modified: 2025-03-19T15:32:43.543Z

09References

• www.spinics.net — https://www.spinics.net/lists/linux-scsi/msg181542.html
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html