CVE-2026-68412
CVE-2026-68412: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-68412] Fix an error handling path in cfg80211_wext_siwscan
CVE-2026-68412Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix an error handling path in cfg80211_wext_siwscan() If the test against IEEE80211_MAX_SSID_LEN fails, then 'creq' leaks. A flaw was found in the Linux kernel's Wi-Fi subsystem, specifically within the `cfg80211` component. This vulnerability, located in the `cfg80211_wext_siwscan()` function, can lead to a memory leak. A local attacker could exploit this by sending a crafted Wi-Fi scan request with an Extended Service Set Identifier (ESSID) exceeding the maximum allowed length. This improper handling of the oversized ESSID causes a `creq` object to not be properly freed, potentially leading to a denial of service. This issue affects cfg80211 wireless extensions scan requests. If SSID length validation…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
4 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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