CVE-2021-47426

2024-05-2115:15:28

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

bpf

s390

memory leak

cve-2021-47426

jit_data

kfree

nvd

6.6 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.6%

JSON

In the Linux kernel, the following vulnerability has been resolved:

bpf, s390: Fix potential memory leak about jit_data

Make sure to free jit_data through kfree() in the error path.

Affected configurations

Vulners

Node

linuxlinux_kernelRange5.4–5.4.153

linuxlinux_kernelRange5.5.0–5.10.73

linuxlinux_kernelRange5.11.0–5.14.12

linuxlinux_kernelRange5.15.0≥

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/s390/net/bpf_jit_comp.c"
    ],
    "versions": [
      {
        "version": "1c8f9b91c456",
        "lessThan": "a326f9c01cfb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1c8f9b91c456",
        "lessThan": "29fdb11ca88d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1c8f9b91c456",
        "lessThan": "d590a410e472",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1c8f9b91c456",
        "lessThan": "686cb8b9f6b4",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/s390/net/bpf_jit_comp.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.153",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.73",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.14.12",
        "lessThanOrEqual": "5.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]