EUVD-2026-27612
GHSA-r529-g827-7gf5
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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4DescriptionNVD
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.
AnalysisAI
NULL pointer dereferences in Linux kernel's IPv6 IOAM (In-situ Operations, Administration, and Maintenance) trace data handling cause denial of service when network packets trigger the vulnerable code path. Affects Linux kernel 5.15 through 6.19.14 and mainline branches. …
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RemediationAI
Within 24 hours: Identify all systems running Linux kernel versions 5.15 through 6.19.14 and document exposure scope. Within 7 days: Test vendor-released kernel patches in non-production environments and establish rollout schedule. …
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