UBUNTU-CVE-2021-4135

Details

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

Affected Packages(202 packages)

linux

Ubuntu 22.04 LTS

Affected versions:

5.13.0-19.19

Fixed in:

5.15.0-17.17

linux

Ubuntu 24.04 LTS

Fixed in:

6.5.0-9.9

linux

Ubuntu 14.04 LTS

Fixed in:

3.11.0-12.19

linux

Ubuntu 25.04

Fixed in:

6.11.0-8.8

linux

Ubuntu 16.04 LTS

Affected versions:

4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.18

Fixed in:

4.4.0-2.16

linux

Ubuntu 18.04 LTS

Fixed in:

4.13.0-16.19

linux

Ubuntu 20.04 LTS

Affected versions:

5.3.0-18.195.3.0-24.265.4.0-100.1135.4.0-104.1185.4.0-18.225.4.0-21.255.4.0-24.285.4.0-25.295.4.0-26.305.4.0-28.32+43 more

Fixed in:

5.4.0-105.119

linux-aws

Ubuntu 16.04 LTS

Fixed in:

4.4.0-1001.10

linux-aws

Ubuntu 22.04 LTS

Affected versions:

5.13.0-1005.6

Fixed in:

5.15.0-1002.4

linux-aws

Ubuntu 14.04 LTS

Fixed in:

4.4.0-1002.2

References

REPORThttps://git.kernel.org/linus/481221775d53d6215a6e5e9ce1cce6d2b4ab9a46 REPORThttps://ubuntu.com/security/CVE-2021-4135 ADVISORYhttps://ubuntu.com/security/notices/USN-5278-1 ADVISORYhttps://ubuntu.com/security/notices/USN-5337-1 ADVISORYhttps://ubuntu.com/security/notices/USN-5338-1 ADVISORYhttps://ubuntu.com/security/notices/USN-5368-1 ADVISORYhttps://ubuntu.com/security/notices/USN-5377-1 REPORThttps://www.cve.org/CVERecord?id=CVE-2021-4135

UBUNTU-CVE-2021-4135

Details

Affected Packages(202 packages)

References

CVSS Analysis

Upstream

Related

Ecosystems(29)

Timeline