FS: JFS: Check for read-only mounted filesystem in txBegin
Priority LOW 22Published · Updated
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: 1 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: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref.
Why it matters now
EPSS 0.00195 9th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.14.324, 4.19.293, 5.4.255 +5Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.12 and later | 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.123, 6.1.42, 6.4.7, 6.5 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.12 and later Fixed in 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.123, 6.1.42, 6.4.7, 6.5 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.123, 6.1.42, 6.4.7, 6.5
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 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53766
- 2026-10-03 Alias added: GHSA-2989-gqx8-wgwx
References
Other 8
- https://git.kernel.org/stable/c/a88efca805bea93cea9187dfd00835aa7093bf1b
- https://git.kernel.org/stable/c/97c1f26e4d4af55e8584e4646dd5c5fa7baf62c7
- https://git.kernel.org/stable/c/2a8807f9f511c64de0c7cc9900a1683e3d72a3e5
- https://git.kernel.org/stable/c/5c094ca994824e038b6a97835ded4e5d1d808504
- https://git.kernel.org/stable/c/2febd5f81e4bfba61d9f374dcca628aff374cc56
- https://git.kernel.org/stable/c/aa7cdf487ab3fa47284daaccc3d7d5de01c6a84c
- https://git.kernel.org/stable/c/b0ed8ed0428ee96092da6fefa5cfacbe4abed701
- https://git.kernel.org/stable/c/95e2b352c03b0a86c5717ba1d24ea20969abcacc
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Sources
- CVE-2023-53766 · CVE Program
- CVE-2023-53766 · NVD
- FIRST EPSS
- GHSA-2989-gqx8-wgwx · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53766 · Red Hat security data · CC BY 4.0
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