tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock().
Summary
| CVE | CVE-2025-40149 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-11-12 11:15:44 UTC |
| Updated | 2026-07-14 13:17:53 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-416
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected e8f69799810c32dd40c6724d829eccc70baad07f 2b1bef126bbb8d0da51491357559126d567c1dee git | Not specified |
| CNA | Linux | Linux | affected e8f69799810c32dd40c6724d829eccc70baad07f e37ca0092ddace60833790b4ad7a390408fb1be9 git | Not specified |
| CNA | Linux | Linux | affected e8f69799810c32dd40c6724d829eccc70baad07f 13159c7125636371543a82cb7bbae00ab36730cc git | Not specified |
| CNA | Linux | Linux | affected e8f69799810c32dd40c6724d829eccc70baad07f f09cd209359a23f88d4f3fa3d2379d057027e53c git | Not specified |
| CNA | Linux | Linux | affected e8f69799810c32dd40c6724d829eccc70baad07f feb474ddbf26b51f462ae2e60a12013bdcfc5407 git | Not specified |
| CNA | Linux | Linux | affected e8f69799810c32dd40c6724d829eccc70baad07f c65f27b9c3be2269918e1cbad6d8884741f835c5 git | Not specified |
| CNA | Linux | Linux | affected 4.18 | Not specified |
| CNA | Linux | Linux | unaffected 4.18 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.199 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.161 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.121 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.66 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.17.3 6.17.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18 * original_commit_for_fix | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.6 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.6 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.6 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.6 * custom | Not specified |
| ADP | Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.6 * custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/f09cd209359a23f88d4f3fa3d2379d057027e53c | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/feb474ddbf26b51f462ae2e60a12013bdcfc5407 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/2b1bef126bbb8d0da51491357559126d567c1dee | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| cert-portal.siemens.com/productcert/html/ssa-019113.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| git.kernel.org/stable/c/e37ca0092ddace60833790b4ad7a390408fb1be9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/c65f27b9c3be2269918e1cbad6d8884741f835c5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/13159c7125636371543a82cb7bbae00ab36730cc | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.