CVE-2026-23367 — Access of Uninitialized Pointer in Linux
Severity
5.5MEDIUM
No vectorEPSS
0.0%
top 90.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: radiotap: reject radiotap with unknown bits
The radiotap parser is currently only used with the radiotap
namespace (not with vendor namespaces), but if the undefined
field 18 is used, the alignment/size is unknown as well. In
this case, iterator->_next_ns_data isn't initialized (it's
only set for skipping vendor namespaces), and syzbot points
out that we later compare against this uninitialized value.
Fix this by moving…
Affected Packages5 packages
▶CVEListV5linux/linux33e5a2f776e331dc8a4379b6efb660d38f182d96 — 703fa979badbba83d31cd011606d060bfb8b0d1d+6
🔴Vulnerability Details
3OSV▶
CVE-2026-23367: In the Linux kernel, the following vulnerability has been resolved: wifi: radiotap: reject radiotap with unknown bits The radiotap parser is currently↗2026-03-25
GHSA▶
GHSA-mg4x-3g76-43w7: In the Linux kernel, the following vulnerability has been resolved:
wifi: radiotap: reject radiotap with unknown bits
The radiotap parser is current↗2026-03-25
📋Vendor Advisories
3Red Hat▶
CVE-2026-23367: In the Linux kernel, the following vulnerability has been resolved:
wifi: radiotap: reject radiotap with unknown bits
The radiotap parser is currently↗2026-03-25
Debian▶
CVE-2026-23367: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: radio...↗2026