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Vulnerability · Published Jun 20, 2024 · Assigned by Linux

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

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 88.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.16.7-1DEBIAN-CVE-2022-48768
Debian:13linux5.16.7-1DEBIAN-CVE-2022-48768
Debian:14linux5.16.7-1DEBIAN-CVE-2022-48768
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-48768
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-48768
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-48768

Affected products (as reported)

VendorProductVersions
Linux Linux 38b67e60b6b582e81f9db1b2e7176cbbfbd3e574 – before 8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – before d71b06aa995007eafd247626d0669b9364c42ad7d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – before e33fa4a46ee22de88a700e2e3d033da8214a5175d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – before df86e2fe808c3536a9dba353cc2bebdfea00d0cfd380dcde9a07ca5de4805dee11f58a98ec0ad6ff – before e629e7b525a179e29d53463d992bdee759c950fbc78a2baf5e1fe1b38121d6b54bab77ccb81a1a865.4.19 – before 5.4.1765.5.6 – before 5.6
Linux Linux 5.6

References