- 8.8HighCVSS base score
- 9.6%Exploitation in 30 daysEPSS · top 4.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.
Timeline
ID reserved
By redhat
- 37 days later
· 37 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 9.6% · top 4.4% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:4.18.0-513.9.1.rt7.311.el8_9 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:4.18.0-513.9.1.el8_9 – < *
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Support
- unaffected 0:4.18.0-193.128.1.el8_2 – < *
Red Hat · Red Hat Enterprise Linux 8.2 Telecommunications Update Service
- unaffected 0:4.18.0-193.128.1.rt13.179.el8_2 – < *
Red Hat · Red Hat Enterprise Linux 8.2 Telecommunications Update Service
- unaffected 0:4.18.0-193.128.1.el8_2 – < *
Red Hat · Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
- unaffected 0:4.18.0-193.128.1.el8_2 – < *
Red Hat · Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- unaffected 0:4.18.0-305.114.1.el8_4 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Service
- unaffected 0:4.18.0-305.114.1.rt7.190.el8_4 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Service
- unaffected 0:4.18.0-305.114.1.el8_4 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
- unaffected 0:4.18.0-305.114.1.el8_4 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support
- unaffected 0:4.18.0-372.87.1.el8_6 – < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
- unaffected 0:4.18.0-477.43.1.el8_8 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:5.14.0-362.18.1.el9_3 – < *
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:5.14.0-362.18.1.el9_3 – < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support
- unaffected 0:5.14.0-70.85.1.el9_0 – < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support
- unaffected 0:5.14.0-70.85.1.rt21.156.el9_0 – < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
- unaffected 0:5.14.0-284.40.1.el9_2 – < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
- unaffected 0:5.14.0-284.40.1.rt14.325.el9_2 – < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
All versions: unaffected
Red Hat · Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
- unaffected 0:4.18.0-372.87.1.el8_6 – < *
Red Hat · Red Hat Enterprise Linux 6
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: affected
What to do
Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References
References28
- RHSA-2023:7370 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7379 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7418 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7548 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7549 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7551 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7554 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7557 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:7559 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0340 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0378 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0386 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0412 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0431 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0432 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0461 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0554 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0575 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:1268 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:1269 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:1278 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2023-5178 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2241924 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://lore.kernel.org/linux-nvme/[email protected]/ (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20231208-0004/ (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-57515 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-5178)Record last updated .