CVE-2024-56720

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedDec 29, 2024
First seenDec 29, 2024
Weakness typeCWE-401CWE-401

How to fix

Update
  • linux linux_kernel5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.0 ≤ v < 5.4.287, 5.5 ≤ v < 5.10.231, 5.11 ≤ v < 5.15.174, 5.16 ≤ v < 6.1.120, 6.2 ≤ v < 6.6.64, 6.7 ≤ v < 6.11.11, 6.12 ≤ v < 6.12.25.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2

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