5.5

CVE-2024-56634: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-56634DEBIAN-CVE-2024-56634
Published 27-12-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-56634 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 46 · Related 44

Timeline

  1. 27-12-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: gpio: grgpio: Add NULL check in grgpio_probe devm_kasprintf() can return a NULL pointer on failure,but this returned value in grgpio_probe is not checked. Add NULL check in grgpio_probe, to handle kernel NULL pointer dereference error.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.26% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu134 products
  • linuxAll versions (No fix recorded) | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1142.152 | < 5.15.0-1080.87 | < 6.8.0-1027.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < 53ff0caa6ad57372d426b4f48fc0f66df43a731f | ≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < 4733f68e59bb7b9e3d395699abb18366954b9ba7 | ≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < ad4dfa7ea7f5f7e9a3c78627cfc749bc7005ca7a | ≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < 09adf8792b61c09ae543972a1ece1884ef773848 | ≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < 8d2ca6ac3711a4f4015d26b7cc84f325ac608edb | ≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < db2fc255fcf41f536ac8666409849e11659af88d | ≥ 7eb6ce2f272336ff8337f40fa8668fa04dc2d684, < 050b23d081da0f29474de043e9538c1f7a351b3b | 4.14
  • linux_kernel≥ 4.14, < 5.4.287 | ≥ 5.5, < 5.10.231 | ≥ 5.11, < 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.66 | ≥ 6.7, < 6.12.5
Debian1 product
  • linux< 6.1.123-1 | < 6.12.5-1

3 vendors · 137 products

References

50 links
Show all 50 references