https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 06:13:49 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-89692 <p><strong>Affected:</strong> Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:stream: linux-lts</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-89692 https://cve.radiocsirt.org/vuln/euvd-2026-367344 EUVD-2026-367344 https://cve.radiocsirt.org/vuln/euvd-2026-367344 https://cve.radiocsirt.org/vuln/fkie_cve-2026-89692 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfsd: clear CALLBACK_RUNNING on failed delegation recall queue</p> <p>nfsd_break_one_deleg() sets NFSD4_CALLBACK_RUNNING via test_and_set_bit at entry to serialize recall work, then calls nfsd4_run_cb() to queue the recall. When the queue attempt fails the refcount bump is undone, but the RUNNING bit is left set. The only site that clears the bit is nfsd41_destroy_cb() (fs/nfsd/nfs4callback.c), which runs from the workqueue and is therefore unreachable when nothing was queued.</p> <p>The bit becomes a permanent latch on dp-&gt;dl_recall.cb_flags: every subsequent break_lease() on the same delegation hits the early-return guard in nfsd_break_one_deleg() and silently skips the recall, so the delegation is never broken and the conflicting open or lock stalls.</p> <p>Fix by clearing NFSD4_CALLBACK_RUNNING on the !queued branch alongside the refcount_dec.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfsd: clear CALLBACK_RUNNING on failed delegation recall queue</p> <p>nfsd_break_one_deleg() sets NFSD4_CALLBACK_RUNNING via test_and_set_bit at entry to serialize recall work, then calls nfsd4_run_cb() to queue the recall. When the queue attempt fails the refcount bump is undone, but the RUNNING bit is left set. The only site that clears the bit is nfsd41_destroy_cb() (fs/nfsd/nfs4callback.c), which runs from the workqueue and is therefore unreachable when nothing was queued.</p> <p>The bit becomes a permanent latch on dp-&gt;dl_recall.cb_flags: every subsequent break_lease() on the same delegation hits the early-return guard in nfsd_break_one_deleg() and silently skips the recall, so the delegation is never broken and the conflicting open or lock stalls.</p> <p>Fix by clearing NFSD4_CALLBACK_RUNNING on the !queued branch alongside the refcount_dec.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-89692 https://cve.radiocsirt.org/vuln/ghsa-mcqc-fm6v-5h2r <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfsd: clear CALLBACK_RUNNING on failed delegation recall queue</p> <p>nfsd_break_one_deleg() sets NFSD4_CALLBACK_RUNNING via test_and_set_bit at entry to serialize recall work, then calls nfsd4_run_cb() to queue the recall. When the queue attempt fails the refcount bump is undone, but the RUNNING bit is left set. The only site that clears the bit is nfsd41_destroy_cb() (fs/nfsd/nfs4callback.c), which runs from the workqueue and is therefore unreachable when nothing was queued.</p> <p>The bit becomes a permanent latch on dp-&gt;dl_recall.cb_flags: every subsequent break_lease() on the same delegation hits the early-return guard in nfsd_break_one_deleg() and silently skips the recall, so the delegation is never broken and the conflicting open or lock stalls.</p> <p>Fix by clearing NFSD4_CALLBACK_RUNNING on the !queued branch alongside the refcount_dec.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfsd: clear CALLBACK_RUNNING on failed delegation recall queue</p> <p>nfsd_break_one_deleg() sets NFSD4_CALLBACK_RUNNING via test_and_set_bit at entry to serialize recall work, then calls nfsd4_run_cb() to queue the recall. When the queue attempt fails the refcount bump is undone, but the RUNNING bit is left set. The only site that clears the bit is nfsd41_destroy_cb() (fs/nfsd/nfs4callback.c), which runs from the workqueue and is therefore unreachable when nothing was queued.</p> <p>The bit becomes a permanent latch on dp-&gt;dl_recall.cb_flags: every subsequent break_lease() on the same delegation hits the early-return guard in nfsd_break_one_deleg() and silently skips the recall, so the delegation is never broken and the conflicting open or lock stalls.</p> <p>Fix by clearing NFSD4_CALLBACK_RUNNING on the !queued branch alongside the refcount_dec.</p> https://cve.radiocsirt.org/vuln/ghsa-mcqc-fm6v-5h2r https://cve.radiocsirt.org/vuln/opensuse-su-2026:11805-1 <p>kernel-devel-7.2.6-1.1 on GA media</p> <p>kernel-devel-7.2.6-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:11805-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-89692 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 120 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: nfsd: clear CALLBACK_RUNNING on failed delegation recall queue nfsd_break_one_deleg() sets NFSD4_CALLBACK_RUNNING via test_and_set_bit at entry to serialize recall work, then calls nfsd4_run_cb() to queue the recall. When the queue attempt fails the refcount bump is undone, but the RUNNING bit is left set. The only site that clears the bit is nfsd41_destroy_cb() (fs/nfsd/nfs4callback.c), which runs from the workqueue and is therefore unreachable when nothing was queued. The bit becomes a permanent latch on dp-&gt;dl_recall.cb_flags: every subsequent break_lease() on the same delegation hits the early-return guard in nfsd_break_one_deleg() and silently skips the recall, so the delegation is never broken and the conflicting open or lock stalls. Fix by clearing NFSD4_CALLBACK_RUNNING on the !queued branch alongside the refcount_dec.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 120 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: nfsd: clear CALLBACK_RUNNING on failed delegation recall queue nfsd_break_one_deleg() sets NFSD4_CALLBACK_RUNNING via test_and_set_bit at entry to serialize recall work, then calls nfsd4_run_cb() to queue the recall. When the queue attempt fails the refcount bump is undone, but the RUNNING bit is left set. The only site that clears the bit is nfsd41_destroy_cb() (fs/nfsd/nfs4callback.c), which runs from the workqueue and is therefore unreachable when nothing was queued. The bit becomes a permanent latch on dp-&gt;dl_recall.cb_flags: every subsequent break_lease() on the same delegation hits the early-return guard in nfsd_break_one_deleg() and silently skips the recall, so the delegation is never broken and the conflicting open or lock stalls. Fix by clearing NFSD4_CALLBACK_RUNNING on the !queued branch alongside the refcount_dec.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-89692 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3321 <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Daten oder den Systemzustand zu manipulieren, Denial-of-Service-Zustände herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.</p> <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Daten oder den Systemzustand zu manipulieren, Denial-of-Service-Zustände herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3321