7.8

CVE-2023-53314: fbdev/ep93xx-fb: Do not assign to struct fb_info.dev

Modified
AliasesUBUNTU-CVE-2023-53314DEBIAN-CVE-2023-53314
Published 16-09-2025Last modified 05-08-2026

Vulnerability summary

CVE-2023-53314 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 14 · Related 14
SUSE-SU-2025:03600-1SUSE-SU-2025:03615-1SUSE-SU-2025:03628-1SUSE-SU-2025:03634-1SUSE-SU-2025:20851-1SUSE-SU-2025:20861-1

Timeline

  1. 16-09-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev/ep93xx-fb: Do not assign to struct fb_info.dev Do not assing the Linux device to struct fb_info.dev. The call to register_framebuffer() initializes the field to the fbdev device. Drivers should not override its value. Fixes a bug where the driver incorrectly decreases the hardware device's reference counter and leaks the fbdev device. v2: * add Fixes tag (Dan)

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.16% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu123 products
  • linuxAll versions (No fix recorded) | < 5.4.0-169.187 | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1116.126 | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < ffdf2b020db717853167391a3a8d912e13428fa6 | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < 1c6ff2a7c593db851f23e31ace2baf557ea9d0ff | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < 8ffa40ff64aa43a9a28fcf209b48d86a3e0f4972 | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < 4aade6c9100a3537788b6a9c7ac481037d19efdf | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < 309c27162afea79b3c7f8747bb650faf6923b639 | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < f83c1b13f8154e0284448912756d0a351a1a602a | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < 0517fc5a71333b315164736bbd32608894fbb872 | ≥ 88017bda96a5fd568a982b01546c8fb1782dda62, < f90a0e5265b60cdd3c77990e8105f79aa2fac994 | 2.6.32
  • linux_kernel≥ 2.6.32, < 4.14.326 | ≥ 4.15, < 4.19.295 | ≥ 4.20, < 5.4.257 | ≥ 5.5, < 5.10.195 | ≥ 5.11, < 5.15.132 | ≥ 5.16, < 6.1.54 | ≥ 6.2, < 6.5.4
Debian1 product
  • linux< 6.1.55-1 | < 6.5.6-1

3 vendors · 126 products

References

12 links
Show all 12 references