5.5

CVE-2024-46686: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-46686DEBIAN-CVE-2024-46686
Published 13-09-2024Last modified 23-05-2026
Open JSON

Vulnerability summary

CVE-2024-46686 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.23%
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 19 · Related 17
DLA-4008-1DSA-5782-1SUSE-SU-2024:3551-1SUSE-SU-2024:3553-1SUSE-SU-2024:3559-1SUSE-SU-2024:3561-1

Timeline

  1. 13-09-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: smb/client: avoid dereferencing rdata=NULL in smb2_new_read_req() This happens when called from SMB2_read() while using rdma and reaching the rdma_readwrite_threshold.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.23%

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

Ubuntu100 products
  • linux< 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ edf38e9f4269591d26b3783c0b348c9345580c3c, < 6df57c63c200cd05e085c3b695128260e21959b7 | ≥ a6559cc1d35d3eeafb0296aca347b2f745a28a74, < a01859dd6aebf826576513850a3b05992809e9d2 | ≥ a6559cc1d35d3eeafb0296aca347b2f745a28a74, < b902fb78ab21299e4dd1775e7e8d251d5c0735bc | ≥ a6559cc1d35d3eeafb0296aca347b2f745a28a74, < c724b2ab6a46435b4e7d58ad2fbbdb7a318823cf | 74ab77137c99438626f4eb8134d8e26204bb5b64 | ≥ 6.1.16, < 6.1.108 | ≥ 6.2.3, < 6.3 | 6.3
  • linux_kernelEOL≥ 6.1.16, < 6.1.108 | ≥ 6.3, < 6.6.49 | ≥ 6.7, < 6.10.8 | 6.2.3 | 6.11:rc1 | 6.11:rc2 | 6.11:rc3 | 6.11:rc4 | 6.11:rc5
Debian1 product
  • linux< 6.1.112-1 | < 6.10.9-1

3 vendors · 103 products

References

15 links
Show all 15 references