fbdev: imsttfb: fix a resource leak in probe
Priority LOW 27CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: fbdev: imsttfb: fix a resource leak in probe I've re-written the error handling but the bug is that if init_imstt() fails we need to call iounmap(par->cmap_regs).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00252 16th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.299, 5.4.261, 5.10.201 +7Red Hat: 2 without a fix
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 | 4.19.291 to before 4.19.299; 5.4.251 to before 5.4.261; 5.10.188 to before 5.10.201; 5.15.116 to before 5.15.139; 6.1.33 to before 6.1.63; 4.14.322 to before 4.15; 6.3.7 to before 6.4 | 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 4.15, 6.4 | Patch available | CNA |
| Linux | Linux | 6.4 and later | 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 6.5.12, 6.6.2, 6.7 | Patch available | CNA |
- Linux VendorLinux Affected 4.19.291 to before 4.19.299; 5.4.251 to before 5.4.261; 5.10.188 to before 5.10.201; 5.15.116 to before 5.15.139; 6.1.33 to before 6.1.63; 4.14.322 to before 4.15; 6.3.7 to before 6.4 Fixed in 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 4.15, 6.4 Patch available CNA
- Linux VendorLinux Affected 6.4 and later Fixed in 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 6.5.12, 6.6.2, 6.7 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.14.322 to before 4.15; 4.19.291 to before 4.19.299; 5.4.251 to before 5.4.261; 5.10.188 to before 5.10.201; 5.15.116 to before 5.15.139; 6.1.33 to before 6.1.63; 6.3.7 to before 6.5.12; 6.6 to before 6.6.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.14.322 to before 4.15; 4.19.291 to before 4.19.299; 5.4.251 to before 5.4.261; 5.10.188 to before 5.10.201; 5.15.116 to before 5.15.139; 6.1.33 to before 6.1.63; 6.3.7 to before 6.5.12; 6.6 to before 6.6.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 4.15, 6.4
- Fix · CNA Linux (Linux) Fixed in 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 6.5.12, 6.6.2, 6.7
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 planned: Out of support scope |
Not affected: 2 products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52838
- 2026-10-03 Alias added: GHSA-f8gg-2gx7-phw9
References
Patch 8
- https://git.kernel.org/stable/c/382e1931e0c9cd58a5a8519cdc6cd9dc4d82b485
- https://git.kernel.org/stable/c/6c66d737b2726ac7784269ddf32a31634f8f269d
- https://git.kernel.org/stable/c/a4dfebec32ec6d420a5506dd56a7834c91be28e4
- https://git.kernel.org/stable/c/8e4b510fe91782522b7ca0ca881b663b5d35e513
- https://git.kernel.org/stable/c/7bc7b82fb2191b0d50a80ee4e27030918767dd1d
- https://git.kernel.org/stable/c/18d26f9baca7d0d309303e3074a2252b8310884a
- https://git.kernel.org/stable/c/b346a531159d08c564a312a9eaeea691704f3c00
- https://git.kernel.org/stable/c/aba6ab57a910ad4b940c2024d15f2cdbf5b7f76b
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- 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-2023-52838 · CVE Program
- CVE-2023-52838 · NVD
- FIRST EPSS
- GHSA-f8gg-2gx7-phw9 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-52838 · 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