CVE-2026-43239

HIGH EPSS 27.3%
Published May 6, 20261mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published May 6, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in ->query_interfaces() It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating iface_last_update under iface_lock.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
27.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.19.1  –  <6.6.128
linuxlinux_kernel*≥6.7  –  <6.12.75
linuxlinux_kernel*≥6.13  –  <6.18.16
linuxlinux_kernel*≥6.19  –  <6.19.6
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489
    Patch