CVE-2026-53182High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject oversized EMA RNR lists nl80211_parse_rnr_elems() stores the parsed element count in a u8-backed cfg80211_rnr_elems::cnt field and uses that coun…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.1%
Last analysed / modified upstream
0.1% → 0.1%
In the Linux kernel, the following vulnerability has been resolved:
wifi: nl80211: reject oversized EMA RNR lists
nl80211_parse_rnr_elems() stores the parsed element count in a u8-backed cfg80211_rnr_elems::cnt field and uses that count to size the flexible array allocation.
Reject nested NL80211_ATTR_EMA_RNR_ELEMS input once the count reaches 255, before incrementing it again. This keeps the parser aligned with the data structure it fills and matches the existing bound check used by nl80211_parse_mbssid_elems().
Linux >= 56189d7bc30531def6b999f27940ee43c6ff2569 < fc0ec2fc02dfe52c5821f36fbccf6a45df43f508Linux >= dbbb27e183b1568d5a907ace1cd144b0709ea52a < 688fcac7054abc680c0eef753f2bb772cfaf8cf7Linux >= dbbb27e183b1568d5a907ace1cd144b0709ea52a < 30c3fa80f423613efdda3deca4af52ff7d20e4e2Linux >= dbbb27e183b1568d5a907ace1cd144b0709ea52a < 265c07c09c837621730d35f02975207a1224bf05Linux >= dbbb27e183b1568d5a907ace1cd144b0709ea52a < ecbf3c45add30a0857414e156bdb9c79906f0ff6Linux >= dbbb27e183b1568d5a907ace1cd144b0709ea52a < 4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1Linux >= 6.1.160 < 6.1.176Linux 6.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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