CVE-2023-52838

fbdev: imsttfb: fix a resource leak in probe

MEDIUM
6.2
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 4.14.322v ≥ 6.3.74.14.322 ≤ v < 4.154.19.291 ≤ v < 4.19.2995.10.188 ≤ v < 5.10.2015.15.116 ≤ v < 5.15.1395.4.251 ≤ v < 5.4.2616.1.33 ≤ v < 6.1.636.3.7 ≤ v < 6.46.3.7 ≤ v < 6.5.126.4 ≤ v < 6.5.126.4 ≤ v < 6.6.26.4 ≤ v < 6.76.6 ≤ v < 6.6.22bf70b88cc358a437db376826f92c8dcf9c235874.14.3224.19.2914c86974fb42281b8041a504d92ab341ad46973255.10.1885.15.1165.4.2516.1.336.3.76.464c6b84c73f576380fadeec2d30aaeccbc2994c77f683f286a2196bd4d2da420a3194f5ba0269d8c815c95d82b79bb32e9aa7c95c6ac7cb1c92612cdad3de274e065790181f112b9c72a2fb4665ee2fdc6c0a9f619584be19726ce7f81c31bc555af401ac75f5a55061091030a13fef71b9995b89bc86213
Vendor states this is fixed in 18d26f9baca7d0d309303e3074a2252b8310884a (fixed)
Vendor states this is fixed in 382e1931e0c9cd58a5a8519cdc6cd9dc4d82b485 (fixed)
Vendor states this is fixed in 6c66d737b2726ac7784269ddf32a31634f8f269d (fixed)
Vendor states this is fixed in 7bc7b82fb2191b0d50a80ee4e27030918767dd1d (fixed)
Vendor states this is fixed in 8e4b510fe91782522b7ca0ca881b663b5d35e513 (fixed)
Vendor states this is fixed in a4dfebec32ec6d420a5506dd56a7834c91be28e4 (fixed)
Vendor states this is fixed in aba6ab57a910ad4b940c2024d15f2cdbf5b7f76b (fixed)
Vendor states this is fixed in b346a531159d08c564a312a9eaeea691704f3c00 (fixed)
Affected range stops below 4.15, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 4.19.299 (unaffected)
Vendor states this is fixed in 5.10.201 (unaffected)
Vendor states this is fixed in 5.15.139 (unaffected)
Vendor states this is fixed in 5.4.261 (unaffected)
Vendor states this is fixed in 6.1.63 (unaffected)
Vendor states this is fixed in 6.4 (unaffected)
Vendor states this is fixed in 6.5.12 (unaffected)
Vendor states this is fixed in 6.6.2 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/18d26f9baca7d0d309303e3074a2252b8310884a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/382e1931e0c9cd58a5a8519cdc6cd9dc4d82b485
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6c66d737b2726ac7784269ddf32a31634f8f269d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7bc7b82fb2191b0d50a80ee4e27030918767dd1d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8e4b510fe91782522b7ca0ca881b663b5d35e513
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a4dfebec32ec6d420a5506dd56a7834c91be28e4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/aba6ab57a910ad4b940c2024d15f2cdbf5b7f76b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b346a531159d08c564a312a9eaeea691704f3c00

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.2MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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