CVE-2024-46860: wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change
Vulnerability summary
CVE-2024-46860 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.6% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 13Timeline
- 27-09-2024PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change When disabling wifi mt7921_ipv6_addr_change() is called as a notifier. At this point mvif->phy is already NULL so we cannot use it here.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.21% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu126 products
- linuxAll versions (No fix recorded) | < 6.8.0-50.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1020.22
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 7bc04215a66b60e198aecaee8418f6d79fa19faa, < bcf390440080c24983ab035660203b17e7c7f31e | ≥ 7bc04215a66b60e198aecaee8418f6d79fa19faa, < 4bfee9346d8c17d928ef6da2b8bffab88fa2a553 | ≥ 7bc04215a66b60e198aecaee8418f6d79fa19faa, < 8d92bafd4c67efb692f722d73a07412b5f88c6d6 | ≥ 7bc04215a66b60e198aecaee8418f6d79fa19faa, < 479ffee68d59c599f8aed8fa2dcc8e13e7bd13c3 | 4.16
- linux_kernel< 6.6.52 | ≥ 6.7, < 6.10.11 | 6.11:rc1 | 6.11:rc2 | 6.11:rc3
Debian1 product
- linuxAll versions (No fix recorded) | < 6.10.11-1
3 vendors · 129 products