CVE-2022-49875

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Source
https://cve.org/CVERecord?id=CVE-2022-49875
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49875.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49875
Downstream
Published
2025-05-01T14:10:24.427Z
Modified
2026-03-20T12:24:45.223238Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
bpftool: Fix NULL pointer dereference when pin {PROG, MAP, LINK} without FILE
Details

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

bpftool: Fix NULL pointer dereference when pin {PROG, MAP, LINK} without FILE

When using bpftool to pin {PROG, MAP, LINK} without FILE, segmentation fault will occur. The reson is that the lack of FILE will cause strlen to trigger NULL pointer dereference. The corresponding stacktrace is shown below:

dopin dopinany dopinfd mountbpffsforpin strlen(name) <- NULL pointer dereference

Fix it by adding validation to the common process.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49875.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
75a1e792c335b5c6d7fdb1014da47aeb64c5944f
Fixed
8c80b2fca4112d724dde477aed13f7b0510a2792
Fixed
6dcdd1b68b7f9333d48d48fc77b75e7f235f6a4a
Fixed
da5161ba94c5e9182c301dd4f09c94f715c068bd
Fixed
34de8e6e0e1f66e431abf4123934a2581cb5f133

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49875.json"