CVE-2026-43101

HIGH EPSS 34.2%
Published May 6, 20261mo ago · Modified Jun 17, 20261w ago
7.5 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: ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data() We need to check __in6_dev_get() for possible NULL value, as suggested by Yiming Qian. Also add skb_dst_dev_rcu() instead of skb_dst_dev(), and two missing READ_ONCE(). Note that @dev can't be NULL.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
34.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <6.18.24
linuxlinux_kernel*≥6.19  –  <6.19.14
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b
    Patch