tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock(). (Linux Linux)

CVE-2025-40149
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.17 % · percentile 7 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock(). get_netdev_for_sock() is called during setsockopt(), so not under RCU. Using sk_dst_get(sk)->dev could trigger UAF. Let's use __sk_dst_get() and dst_dev_rcu(). Note that the only ->ndo_sk_get_lower_dev() user is bond_sk_get_lower_dev(), which uses RCU.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected e8f69799810c32dd40c6724d829eccc70baad07f < 2b1bef126bbb8d0da51491357559126d567c1dee ; affected e8f69799810c32dd40c6724d829eccc70baad07f < e37ca0092ddace60833790b4ad7a390408fb1be9 ; affected e8f69799810c32dd40c6724d829eccc70baad07f < 13159c7125636371543a82cb7bbae00ab36730cc ; affected e8f69799810c32dd40c6724d829eccc70baad07f < f09cd209359a23f88d4f3fa3d2379d057027e53c ; affected e8f69799810c32dd40c6724d829eccc70baad07f < feb474ddbf26b51f462ae2e60a12013bdcfc5407 ; affected e8f69799810c32dd40c6724d829eccc70baad07f < c65f27b9c3be2269918e1cbad6d8884741f835c5
Linux · Linuxaffected 4.18 ; unaffected 0 < 4.18 ; unaffected 5.15.199 ≤ 5.15.* ; unaffected 6.1.161 ≤ 6.1.* ; unaffected 6.6.121 ≤ 6.6.* ; unaffected 6.12.66 ≤ 6.12.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD