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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 07 Oct 2026 07:17:43 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-98335 — wifi: mac80211: abort chanswitch when leaving a mesh</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-98335</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;wifi: mac80211: abort chanswitch when leaving a mesh&lt;/p&gt;
&lt;p&gt;The code in ieee80211_stop_mesh() leaves CSA active, but leaving
the mesh released the channel context, so the CSA finalize work
crashes:&lt;/p&gt;
&lt;p&gt;Oops: general protection fault, probably for non-canonical address
        0xdffffc0000000003
  KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
  RIP: 0010:ieee80211_put_srates_elem+0x42/0x640 net/mac80211/util.c:3272
  Call Trace:
   ieee80211_mesh_build_beacon+0xa83/0x1b50 net/mac80211/mesh.c:1093
   ieee80211_mesh_rebuild_beacon+0xc7/0x170 net/mac80211/mesh.c:1147
   ieee80211_mesh_finish_csa+0x131/0x210 net/mac80211/mesh.c:1542
   ieee80211_set_after_csa_beacon net/mac80211/cfg.c:4085 [inline]
   __ieee80211_csa_finalize net/mac80211/cfg.c:4133 [inline]
   ieee80211_csa_finalize+0x633/0x1150 net/mac80211/cfg.c:4155
   cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438&lt;/p&gt;
&lt;p&gt;Abort the channel switch properly.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;wifi: mac80211: abort chanswitch when leaving a mesh&lt;/p&gt;
&lt;p&gt;The code in ieee80211_stop_mesh() leaves CSA active, but leaving
the mesh released the channel context, so the CSA finalize work
crashes:&lt;/p&gt;
&lt;p&gt;Oops: general protection fault, probably for non-canonical address
        0xdffffc0000000003
  KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
  RIP: 0010:ieee80211_put_srates_elem+0x42/0x640 net/mac80211/util.c:3272
  Call Trace:
   ieee80211_mesh_build_beacon+0xa83/0x1b50 net/mac80211/mesh.c:1093
   ieee80211_mesh_rebuild_beacon+0xc7/0x170 net/mac80211/mesh.c:1147
   ieee80211_mesh_finish_csa+0x131/0x210 net/mac80211/mesh.c:1542
   ieee80211_set_after_csa_beacon net/mac80211/cfg.c:4085 [inline]
   __ieee80211_csa_finalize net/mac80211/cfg.c:4133 [inline]
   ieee80211_csa_finalize+0x633/0x1150 net/mac80211/cfg.c:4155
   cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438&lt;/p&gt;
&lt;p&gt;Abort the channel switch properly.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-98335</guid>
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