CVE-2024-36946

phonet: fix rtm_phonet_notify() skb allocation

MEDIUM
5.5
CVSS Score
Published: May 30, 2024 at 03:35 PM UTC
Updated: June 17, 2026 at 07:37 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.33 ≤ v < 4.19.3142.6.33 ≤ v < 5.10.2172.6.33 ≤ v < 5.15.1592.6.33 ≤ v < 5.4.2762.6.33 ≤ v < 6.1.912.6.33 ≤ v < 6.6.312.6.33 ≤ v < 6.8.102.6.33 ≤ v < 6.94.20 ≤ v < 5.4.2765.11 ≤ v < 5.15.1595.16 ≤ v < 6.1.915.5 ≤ v < 5.10.2176.2 ≤ v < 6.6.316.7 ≤ v < 6.8.102.6.336.9 rc16.9 rc26.9 rc36.9 rc46.9 rc56.9 rc66.9 rc7f062f41d06575744b9eaf725eef8a5d3b5f5b7ca
Vendor states this is fixed in 4ff334cade9dae50e4be387f71e94fae634aa9b4 (fixed)
Vendor states this is fixed in 728a83160f98ee6b60df0d890141b9b7240182fe (fixed)
Vendor states this is fixed in 9a77226440008cf04ba68faf641a2d50f4998137 (fixed)
Vendor states this is fixed in d8cac8568618dcb8a51af3db1103e8d4cc4aeea7 (fixed)
Vendor states this is fixed in dc6beac059f0331de97155a89d84058d4a9e49c7 (fixed)
Vendor states this is fixed in ec1f71c05caeba0f814df77e0f511d8b4618623a (fixed)
Vendor states this is fixed in ee9e39a6cb3ca2a3d35b4ae25547ee3526a44d00 (fixed)
Vendor states this is fixed in f085e02f0a32f6dfcfabc6535c9c4a1707cef86b (fixed)
Vendor states this is fixed in 2.6.33 (unaffected)
Vendor states this is fixed in 4.19.314 (unaffected)
Vendor states this is fixed in 5.10.217 (unaffected)
Vendor states this is fixed in 5.15.159 (unaffected)
Vendor states this is fixed in 5.4.276 (unaffected)
Vendor states this is fixed in 6.1.91 (unaffected)
Vendor states this is fixed in 6.6.31 (unaffected)
Vendor states this is fixed in 6.8.10 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (11)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4ff334cade9dae50e4be387f71e94fae634aa9b4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/728a83160f98ee6b60df0d890141b9b7240182fe
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9a77226440008cf04ba68faf641a2d50f4998137
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d8cac8568618dcb8a51af3db1103e8d4cc4aeea7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dc6beac059f0331de97155a89d84058d4a9e49c7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ec1f71c05caeba0f814df77e0f511d8b4618623a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ee9e39a6cb3ca2a3d35b4ae25547ee3526a44d00
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f085e02f0a32f6dfcfabc6535c9c4a1707cef86b

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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