CVE-2026-72441
In the Linux kernel, the following vulnerability has been resolved: ieee802154: fix kernel-infoleak in dgram_recvmsg() KMSAN reported a kernel-infoleak in move_addr_to_user(): BUG: KMSAN: kernel…
Overview
CVE-2026-72441 is a known-severity vulnerability. It was published on August 15, 2026.
Technical description
In the Linux kernel, the following vulnerability has been resolved:
ieee802154: fix kernel-infoleak in dgram_recvmsg()
KMSAN reported a kernel-infoleak in move_addr_to_user():
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user
include/linux/instrumented.h:131 [inline]
BUG: KMSAN: kernel-infoleak in _inline_copy_to_user
include/linux/uaccess.h:205 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_user+0xcc/0x120
lib/usercopy.c:26
instrument_copy_to_user include/linux/instrumented.h:131 [inline]
_inline_copy_to_user include/linux/uaccess.h:205 [inline]
_copy_to_user+0xcc/0x120 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:236 [inline]
move_addr_to_user+0x2e7/0x440 net/socket.c:302
____sys_recvmsg+0x232/0x610 net/socket.c:2925
...
Uninit was stored to memory at:
ieee802154_addr_to_sa include/net/ieee802154_netdev.h:369 [inline]
dgram_recvmsg+0xa09/0xbe0 net/ieee802154/socket.c:739
The issue occurs because the `pan_id` field of `struct ieee802154_addr`
is left uni
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
References
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Frequently asked questions
What is CVE-2026-72441?
CVE-2026-72441 is a known-severity vulnerability. It was published on August 15, 2026.
How severe is CVE-2026-72441?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-2026-72441?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-72441?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72441 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.