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THREAT OPS › Threat News › [NVD] CVE-2023-52447 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpf_map_fd_p

[NVD] CVE-2023-52447 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpf_map_fd_p

lownvdPublished 2024-02-22

CVE-2023-52447 CVSS: 7.8 HIGH Published: 2024-02-22T17:15:08.580

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

bpf: Defer the free of inner map when necessary

When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpf_map_fd_put_ptr() decreases the ref-counter of the inner map di

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2023-52447