5.5

CVE-2024-46739: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-46739DEBIAN-CVE-2024-46739
Published 18-09-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2024-46739 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.7% 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
0.27%
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 33 · Related 28
DLA-3912-1DLA-4008-1DSA-5782-1MGASA-2024-0316MGASA-2024-0318SUSE-SU-2024:3551-1

Timeline

  1. 18-09-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channels. Also, rescind callback is meant for primary channels only. Fix NULL pointer dereference by retrieving the device_obj from the parent for the primary channel.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.27%

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

Ubuntu126 products
  • linux< 5.4.0-200.220 | < 5.15.0-125.135 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1135.145 | < 5.15.0-1072.78 | < 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < 3d414b64ecf6fd717d7510ffb893c6f23acbf50e | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < f38f46da80a2ab7d1b2f8fcb444c916034a2dac4 | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < 1d8e020e51ab07e40f9dd00b52f1da7d96fec04c | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < 3005091cd537ef8cdb7530dcb2ecfba8d2ef475c | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < 2be373469be1774bbe03b0fa7e2854e65005b1cc | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < de6946be9c8bc7d2279123433495af7c21011b99 | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < 928e399e84f4e80307dce44e89415115c473275b | ≥ ca3cda6fcf1e922213a0cc58e708ffb999151db3, < fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e | 4.16
  • linux_kernel≥ 4.16, < 4.19.322 | ≥ 4.20, < 5.4.284 | ≥ 5.5, < 5.10.226 | ≥ 5.11, < 5.15.167 | ≥ 5.16, < 6.1.110 | ≥ 6.2, < 6.6.51 | ≥ 6.7, < 6.10.10 | 6.11:rc1 | 6.11:rc2 | 6.11:rc3 | 6.11:rc4 | 6.11:rc5 | 6.11:rc6
Debian1 product
  • linux< 6.1.112-1 | < 6.10.11-1

3 vendors · 129 products

References

31 links
Show all 31 references