net/mlx5e: Fix operation precedence bug in port timestamping napi_poll context
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Partial Red Hat: 9 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix operation precedence bug in port timestamping napi_poll context Indirection (*) is of lower precedence than postfix increment (++). Logic in napi_poll context would cause an out-of-bound read by first increment the pointer address by byte address space and then dereference the value. Rather, the intended logic was to dereference first and then increment the underlying value.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 6.6.3 to before 6.6.15; 6.5.13 to before 6.6 | 6.6.15, 6.6 | Patch available | CNA |
| Linux | Linux | 6.7 and later | 6.6.15, 6.7.3, 6.8 | Patch available | CNA |
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.15, 6.6
- Fix · CNA Linux (Linux) Fixed in 6.6.15, 6.7.3, 6.8
Red Hat 3 advisories
- RHSA-2024:4349 Released 2024-07-08 · Red Hat rating Moderatekernel security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-427.24.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.24.1.el9_4, kernel-64k-devel-5.14.0-427.24.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.3.0-427.24.1.el9_4, kernel-5.14.0-427.24.1.el9_4, kernel-64k-5.14.0-427.24.1.el9_4 +29
- Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-427.24.1.el9_4, libperf-5.14.0-427.24.1.el9_4
- Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-427.24.1.el9_4, kernel-rt-core-5.14.0-427.24.1.el9_4, kernel-rt-debug-5.14.0-427.24.1.el9_4 +11
- Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-427.24.1.el9_4, kernel-rt-core-5.14.0-427.24.1.el9_4, kernel-rt-debug-5.14.0-427.24.1.el9_4 +9
- RHSA-2024:4352 Released 2024-07-08 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-core-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-debug-4.18.0-553.8.1.rt7.349.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-core-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-debug-4.18.0-553.8.1.rt7.349.el8_10 +7
- RHSA-2024:4211 Released 2024-07-02 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.8.1.el8_10, kernel-4.18.0-553.8.1.el8_10, kernel-abi-stablelists-4.18.0-553.8.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.8.1.el8_10
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:4349 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:4211 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:4349 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:4211 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:4349 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2024:4352 |
| Red Hat Enterprise Linux NFV (v. 9) | Fixed | RHSA-2024:4349 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2024:4352 |
| Red Hat Enterprise Linux RT (v. 9) | Fixed | RHSA-2024:4349 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux BaseOS (v. 8)
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52626
- 2026-10-03 Alias added: GHSA-qggq-gw32-wcq3
- 2026-10-29 Affected versions changed · Red Hat
References
More Linux Kernel vulnerabilities
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2023-52626 · CVE Program
- CVE-2023-52626 · NVD
- FIRST EPSS
- GHSA-qggq-gw32-wcq3 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-52626 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences