5.5

CVE-2022-48768: tracing/histogram: Fix a potential memory leak for kstrdup()

Modified
AliasesUBUNTU-CVE-2022-48768DEBIAN-CVE-2022-48768
Published 20-06-2024Last modified 23-05-2026

Vulnerability summary

CVE-2022-48768 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.1% 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
0.21%
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-2024:2362-1SUSE-SU-2024:2372-1SUSE-SU-2024:2384-1SUSE-SU-2024:2394-1SUSE-SU-2024:2902-1SUSE-SU-2024:2929-1

Timeline

  1. 20-06-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: tracing/histogram: Fix a potential memory leak for kstrdup() kfree() is missing on an error path to free the memory allocated by kstrdup(): p = param = kstrdup(data->params[i], GFP_KERNEL); So it is better to free it via kfree(p).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% 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.

Ubuntu85 products
  • linux< 5.4.0-109.123
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1072.77
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 38b67e60b6b582e81f9db1b2e7176cbbfbd3e574, < 8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8 | ≥ d380dcde9a07ca5de4805dee11f58a98ec0ad6ff, < d71b06aa995007eafd247626d0669b9364c42ad7 | ≥ d380dcde9a07ca5de4805dee11f58a98ec0ad6ff, < e33fa4a46ee22de88a700e2e3d033da8214a5175 | ≥ d380dcde9a07ca5de4805dee11f58a98ec0ad6ff, < df86e2fe808c3536a9dba353cc2bebdfea00d0cf | ≥ d380dcde9a07ca5de4805dee11f58a98ec0ad6ff, < e629e7b525a179e29d53463d992bdee759c950fb | c78a2baf5e1fe1b38121d6b54bab77ccb81a1a86 | ≥ 5.4.19, < 5.4.176 | ≥ 5.5.6, < 5.6 | 5.6
  • linux_kernel≥ 5.4.19, < 5.4.176 | ≥ 5.6, < 5.10.96 | ≥ 5.11, < 5.15.19 | ≥ 5.16, < 5.16.5 | 5.17:rc1
Debian1 product
  • linux< 5.16.7-1

3 vendors · 88 products

References

9 links