9.8

CVE-2024-43883: linux Use After Free

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-43883DEBIAN-CVE-2024-43883
Published 23-08-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2024-43883 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.65%
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 37 · Related 33
DLA-3912-1DLA-4008-1MGASA-2024-0309MGASA-2024-0310SUSE-SU-2024:3189-1SUSE-SU-2024:3190-1

Timeline

  1. 23-08-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: usb: vhci-hcd: Do not drop references before new references are gained At a few places the driver carries stale pointers to references that can still be used. Make sure that does not happen. This strictly speaking closes ZDI-CAN-22273, though there may be similar races in the driver.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.65%

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

Ubuntu130 products
  • linuxAll versions (No fix recorded) | < 5.4.0-200.220 | < 5.15.0-125.135 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 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≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < 5a3c473b28ae1c1f7c4dc129e30cb19ae6e96f89 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < 9c3746ce8d8fcb3a2405644fc0eec7fc5312de80 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < 4dacdb9720aaab10b6be121eae55820174d97174 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < e8c1e606dab8c56cf074b43b98d0805de7322ba2 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < 585e6bc7d0a9bf73a8be3d3fb34e86b90cc61a14 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < 128e82e41cf7d74a562726c1587d9d2ede1a0a37 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < c3d0857b7fc2c49f68f89128a5440176089a8f54 | ≥ 7606ee8aa33287dd3e6eb44c78541b87a413a325, < afdcfd3d6fcdeca2735ca8d994c5f2d24a368f0a | 96ea4801d2035f89fc4ec4a67f49a18c35cb6715 | 075b4e6a982d38121250c090f7b9294314ac1b19 | 436e52f1a628233f080605dd736594df250897ca | 1c8d316294916da7e2a2f1f178ca3f3bd6d7b531 | 927c3fa44e24300eb827ab9f9dacce6dff9c9bb7 | ≥ 2.6.32.30, < 2.6.33 | ≥ 2.6.33.8, < 2.6.34 | ≥ 2.6.34.10, < 2.6.35 | ≥ 2.6.35.12, < 2.6.36 | ≥ 2.6.37.3, < 2.6.38 | 2.6.38
  • linux_kernel< 4.19.320 | ≥ 4.20, < 5.4.282 | ≥ 5.5, < 5.10.224 | ≥ 5.11, < 5.15.165 | ≥ 5.16, < 6.1.105 | ≥ 6.2, < 6.6.46 | ≥ 6.7, < 6.10.5 | 6.11:rc1 | 6.11:rc2
Debian1 product
  • linux< 6.1.106-1 | < 6.10.6-1

3 vendors · 133 products

References

29 links
Show all 29 references