UBUNTU-CVE-2021-28971

Details

In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.

Affected Packages(207 packages)

linux

Ubuntu 25.04

Fixed in:

6.11.0-8.8

linux

Ubuntu 18.04 LTS

Affected versions:

4.13.0-16.194.13.0-17.204.13.0-25.294.13.0-32.354.15.0-10.114.15.0-101.1024.15.0-106.1074.15.0-108.1094.15.0-109.1104.15.0-111.112+65 more

Fixed in:

4.15.0-144.148

linux

Ubuntu 24.04 LTS

Fixed in:

6.5.0-9.9

linux

Ubuntu 20.04 LTS

Affected versions:

5.3.0-18.195.3.0-24.265.4.0-18.225.4.0-21.255.4.0-24.285.4.0-25.295.4.0-26.305.4.0-28.325.4.0-29.335.4.0-31.35+26 more

Fixed in:

5.4.0-74.83

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 22.04 LTS

Fixed in:

5.13.0-19.19

linux

Ubuntu 14.04 LTS

Fixed in:

3.11.0-12.19

linux-aws

Ubuntu 22.04 LTS

Fixed in:

5.13.0-1005.6

linux-aws

Ubuntu 16.04 LTS

Fixed in:

4.4.0-1001.10

linux-aws

Ubuntu 14.04 LTS

Fixed in:

4.4.0-1002.2

References

REPORThttps://git.kernel.org/linus/d88d05a9e0b6d9356e97129d4ff9942d765f46ea REPORThttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d88d05a9e0b6d9356e97129d4ff9942d765f46ea REPORThttps://ubuntu.com/security/CVE-2021-28971 ADVISORYhttps://ubuntu.com/security/notices/USN-4948-1 ADVISORYhttps://ubuntu.com/security/notices/USN-4979-1 ADVISORYhttps://ubuntu.com/security/notices/USN-4982-1 ADVISORYhttps://ubuntu.com/security/notices/USN-4984-1 REPORThttps://www.cve.org/CVERecord?id=CVE-2021-28971

UBUNTU-CVE-2021-28971

Details

Affected Packages(207 packages)

References

CVSS Analysis

Upstream

Related

Ecosystems(30)

Timeline