net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 2 fixed, 4 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device In case devcom allocation is failed, mlx5 is always freeing the priv. However, this priv might have been allocated by a different thread, and freeing it might lead to use-after-free bugs. Fix it by freeing the priv only in case it was allocated by the running thread.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.244, 5.10.181, 5.15.114, 6.1.31, 6.3.5, 6.4
Red Hat 2 advisories
- RHSA-2023:7077 Released 2023-11-14 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.5.1.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.5.1.el8_9, kernel-4.18.0-513.5.1.el8_9, kernel-abi-stablelists-4.18.0-513.5.1.el8_9 +19
- RHSA-2023:6583 Released 2023-11-07 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-362.8.1.el9_3, libperf-5.14.0-362.8.1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-362.8.1.el9_3, kernel-64k-debug-devel-matched-5.14.0-362.8.1.el9_3, kernel-64k-devel-5.14.0-362.8.1.el9_3 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.2.0-362.8.1.el9_3, kernel-5.14.0-362.8.1.el9_3, kernel-64k-5.14.0-362.8.1.el9_3 +29
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2023:7077 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2023:7077 |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2023-54015
- 2026-10-03 Alias added: GHSA-mx7v-5j4q-68wr
References
Other 6
- https://git.kernel.org/stable/c/3dfc1004d9afbf689087ae1eafd88f55481984c7
- https://git.kernel.org/stable/c/d4d10a6df1529b3f446cdada5c25e065f4712756
- https://git.kernel.org/stable/c/1e755065368000205e6683fa924b2654e99f573b
- https://git.kernel.org/stable/c/eaa365c10459052cbe3e44caa4ad760cb93bd435
- https://git.kernel.org/stable/c/a3a516caef2c5be2f4d171890a8b3415bfab4e5e
- https://git.kernel.org/stable/c/af87194352cad882d787d06fb7efa714acd95427
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Sources
- CVE-2023-54015 · CVE Program
- CVE-2023-54015 · NVD
- FIRST EPSS
- GHSA-mx7v-5j4q-68wr · GitHub Advisory Database · CC BY 4.0
- CVE-2023-54015 · Red Hat security data · CC BY 4.0
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