CVE WatchAug 4, 2026

CVE-2024-56720

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpf_msg_pop_data Several fixes to bpf_m

CVSS

7.8

High

EPSS

0.2%

p15

KEV

—

Exploit Today

0-100

Published: Dec 29, 2024 · Last modified: Aug 4, 2026 · CWE-193 · CWE-401

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-07-302026-08-26

Technical description

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpf_msg_pop_data Several fixes to bpf_msg_pop_data, 1. In sk_msg_shift_left, we should put_page 2. if (len == 0), return early is better 3. pop the entire sk_msg (last == msg->sg.size) should be supported 4. Fix for the value of variable "a" 5. In sk_msg_shift_left, after shifting, i has already pointed to the next element. Addtional sk_msg_iter_var_next may result in BUG.

Official references

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