CVE-2024-36946

kernel: phonet: fix rtm_phonet_notify() skb allocation

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Severity

Moderate

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · May 30, 2024

Updated · January 23, 2026

Description

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

phonet: fix rtm_phonet_notify() skb allocation

fill_route() stores three components in the skb:

struct rtmsg
RTA_DST (u8)
RTA_OIF (u32)

Therefore, rtm_phonet_notify() should use

NLMSG_ALIGN(sizeof(struct rtmsg)) + nla_total_size(1) + nla_total_size(4)

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer