5.5

CVE-2022-48713: perf/x86/intel/pt: Fix crash with stop filters in single-range mode

Analyzed
AliasesUBUNTU-CVE-2022-48713DEBIAN-CVE-2022-48713
Published 20-06-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48713 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 7
SUSE-SU-2024:2372-1SUSE-SU-2024:2394-1SUSE-SU-2024:2894-1SUSE-SU-2024:2902-1SUSE-SU-2024:2929-1SUSE-SU-2024:2939-1

Timeline

  1. 20-06-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/pt: Fix crash with stop filters in single-range mode Add a check for !buf->single before calling pt_buffer_region_size in a place where a missing check can cause a kernel crash. Fixes a bug introduced by commit 670638477aed ("perf/x86/intel/pt: Opportunistically use single range output mode"), which added a support for PT single-range output mode. Since that commit if a PT stop filter range is hit while tracing, the kernel will crash because of a null pointer dereference in pt_handle_status due to calling pt_buffer_region_size without a ToPA configured. The commit which introduced single-range mode guarded almost all uses of the ToPA buffer variables with checks of the buf->single variable, but missed the case where tracing was stopped by the PT hardware, which happens when execution hits a configured stop filter. Tested that hitting a stop filter while PT recording successfully records a trace with this patch but crashes without this patch.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu66 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Linux2 products
  • linux≥ 670638477aede0d7a355ced04b569214aa3feacd, < 456f041e035913fcedb275aff6f8a71dfebcd394 | ≥ 670638477aede0d7a355ced04b569214aa3feacd, < e83d941fd3445f660d2f43647c580a320cc384f6 | ≥ 670638477aede0d7a355ced04b569214aa3feacd, < feffb6ae2c80b9a8206450cdef90f5943baced99 | ≥ 670638477aede0d7a355ced04b569214aa3feacd, < 1d9093457b243061a9bba23543c38726e864a643 | 5.5
  • linux_kernel≥ 5.5, < 5.10.99 | ≥ 5.11, < 5.15.22 | ≥ 5.16, < 5.16.8 | 5.17:rc1 | 5.17:rc2
Debian1 product
  • linux< 5.16.10-1

3 vendors · 69 products

References

8 links