RLSA-2026:27789 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix tx.buf use-after-free in isotpsendmsg CVE-2026-31474 kernel: mptcp: fix slab-use-after-free in inetlookupestablished CVE-2026-31669 kernel: xen/privcmd: fix double free vi...

RockyLinux 9 : kernel (RLSA-2026:27789)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:27789 advisory. kernel: can: isotp: fix tx.buf use-after-free in isotpsendmsg CVE-2026-31474 kernel: mptcp: fix slab-use-after-free in inetlookupestablished...

kernel: wifi: mac80211: use safe list iteration in radar detect work

A flaw was found in the Linux kernel's mac80211 wireless subsystem. This vulnerability arises from unsafe list iteration during radar detection work, where a channel context can be freed while still being processed. This can lead to a use-after-free memory error. A successful exploit could result...

kernel: wifi: mac80211: use safe list iteration in radar detect work

A flaw was found in the Linux kernel's mac80211 wireless subsystem. This vulnerability arises from unsafe list iteration during radar detection work, where a channel context can be freed while still being processed. This can lead to a use-after-free memory error. A successful exploit could result...

kernel: wifi: mac80211: use safe list iteration in radar detect work

A flaw was found in the Linux kernel's mac80211 wireless subsystem. This vulnerability arises from unsafe list iteration during radar detection work, where a channel context can be freed while still being processed. This can lead to a use-after-free memory error. A successful exploit could result...

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signal-echo-radar

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SUSE CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

CVE-2026-46166

A flaw was found in the Linux kernel's mac80211 wireless subsystem. This vulnerability arises from unsafe list iteration during radar detection work, where a channel context can be freed while still being processed. This can lead to a use-after-free memory error. A successful exploit could result...

CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

UBUNTU-CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

EUVD-2026-32793

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

CVE-2026-46166

The CVE-2026-46166 affects the Linux kernel’s wireless subsystem (mac80211) in the radar detect work. The root cause is unsafe list iteration during radar processing, where ieee80211_dfs_cac_cancel can free the iterated chanctx and remove it from the list, causing a slab-use-after-free. A guarded...

CVE-2026-46166 wifi: mac80211: use safe list iteration in radar detect work

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

CVE-2026-46166 wifi: mac80211: use safe list iteration in radar detect work

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of use of a security list iteration in the mac80211 radar detection process. This...

PT-2026-44289

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free error exists in the mac80211 wireless subsystem. The issue occurs during radar detect work when the ieee80211 dfs cac cancel function is called, which can cause the...