gfs2: Fix possible data races in gfs2_show_options()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 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: gfs2: Fix possible data races in gfs2_show_options() Some fields such as gt_logd_secs of the struct gfs2_tune are accessed without holding the lock gt_spin in gfs2_show_options(): val = sdp->sd_tune.gt_logd_secs; if (val != 30) seq_printf(s, ",commit=%d", val); And thus can cause data races when gfs2_show_options() and other functions such as gfs2_reconfigure() are concurrently executed: spin_lock(>->gt_spin); gt->gt_logd_secs = newargs->ar_commit; To fix these possible data races, the lock sdp->sd_tune.gt_spin is acquired before accessing the fields of gfs2_tune and released after these accesses. Further changes by Andreas: - Don't hold the spin lock over the seq_printf operations.
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 | 2.6.31 and later | 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12, 6.5 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.31 and later Fixed in 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12, 6.5 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.31 to before 4.14.324; 4.15 to before 4.19.293; 4.20 to before 5.4.255; 5.5 to before 5.10.192; 5.11 to before 5.15.128; 5.16 to before 6.1.47; 6.2 to before 6.4.12 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.31 to before 4.14.324; 4.15 to before 4.19.293; 4.20 to before 5.4.255; 5.5 to before 5.10.192; 5.11 to before 5.15.128; 5.16 to before 6.1.47; 6.2 to before 6.4.12 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12, 6.5
Vendor assessments
Red Hat
Red Hat rating: Low. 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 |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53622
- 2026-10-03 Alias added: GHSA-7fh7-rm8f-wj9x
- 2026-11-05 CISA SSVC decision points changed
References
Patch 8
- https://git.kernel.org/stable/c/7e5bbeb7eb813bb2568e1d5d02587df943272e57
- https://git.kernel.org/stable/c/235a5ae73cea29109a3e06f100493f17857e6a93
- https://git.kernel.org/stable/c/b4a7ab57effbed42624842f2ab2a49b177c21a47
- https://git.kernel.org/stable/c/7c5b2649f6a37d45bfb7abf34c9b71d08677139f
- https://git.kernel.org/stable/c/85e888150075cb221270b64bf772341fc6bd11d9
- https://git.kernel.org/stable/c/a4f71523ed2123d63b431cc0cea4e9f363a0f054
- https://git.kernel.org/stable/c/42077d4de49e4d9c773c97c42d5383b4899a8f9d
- https://git.kernel.org/stable/c/6fa0a72cbbe45db4ed967a51f9e6f4e3afe61d20
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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-2023-53622 · CVE Program
- CVE-2023-53622 · NVD
- FIRST EPSS
- GHSA-7fh7-rm8f-wj9x · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53622 · Red Hat security data · CC BY 4.0
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