7.8

CVE-2024-50180: fbdev: sisfb: Fix strbuf array overflow

Modified
AliasesUBUNTU-CVE-2024-50180DEBIAN-CVE-2024-50180
Published 08-11-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-50180 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.26%
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 45 · Related 45

Timeline

  1. 08-11-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: sisfb: Fix strbuf array overflow The values of the variables xres and yres are placed in strbuf. These variables are obtained from strbuf1. The strbuf1 array contains digit characters and a space if the array contains non-digit characters. Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres); more than 16 bytes will be written to strbuf. It is suggested to increase the size of the strbuf array to 24. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

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

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu135 products
  • linuxAll versions (No fix recorded) | < 5.4.0-208.228 | < 5.15.0-127.137 | < 6.8.0-56.58
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1140.150 | < 5.15.0-1073.79 | < 6.8.0-1025.27
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 433c84c8495008922534c5cafdae6ff970fb3241 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 57c4f4db0a194416da237fd09dad9527e00cb587 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 252f147b1826cbb30ae0304cf86b66d3bb12b743 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 41cf6f26abe4f491b694c54bd1aa2530369b7510 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 889304120ecb2ca30674d89cd4ef15990b6a571c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 688872c4ea4a528cd6a057d545c83506b533ee1f | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 11c0d49093b82f6c547fd419c41a982d26bdf5ef | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9cf14f5a2746c19455ce9cb44341b5527b5e19c3 | 2.6.12
  • linux_kernel< 4.19.323 | ≥ 4.20, < 5.4.285 | ≥ 5.5, < 5.10.227 | ≥ 5.11, < 5.15.168 | ≥ 5.16, < 6.1.113 | ≥ 6.2, < 6.6.57 | ≥ 6.7, < 6.11.4
Debian1 product
  • linux< 6.1.115-1 | < 6.11.4-1

3 vendors · 138 products

References

47 links
Show all 47 references