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CVE Vulnerability Details :
CVE-2026-43101
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-06 May, 2026 | 07:40
Updated At-06 May, 2026 | 07:40
Rejected At-
▼CVE Numbering Authority (CNA)
ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()

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.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/ipv6/ioam6.c
Default Status
unaffected
Versions
Affected
  • From 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 before 4198aab6f000b4febb18ea820fea20634dd789c7 (git)
  • From 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 before 3719c234fa94c37c955b1ecd3742ef280ec135e6 (git)
  • From 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 before 4e65a8b8daa18d63255ec58964dd192c7fdd9f8b (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/ipv6/ioam6.c
Default Status
affected
Versions
Affected
  • 5.15
Unaffected
  • From 0 before 5.15 (semver)
  • From 6.18.24 through 6.18.* (semver)
  • From 6.19.14 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7
N/A
https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6
N/A
https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b
N/A
Hyperlink: https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b
Resource: N/A
Details not found