https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 12 Nov 2026 14:49:04 +0000 https://db.gcve.eu/vuln/fkie_cve-2026-99224 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>keys: Protect the type name while describing a key</p> <p>keyctl_describe_key() must keep the key type&#39;s name alive until kasprintf() has consumed it. The retained key reference keeps the key and its description alive, but does not pin the module providing its type. The name is passed to kasprintf() without holding key-&gt;sem.</p> <p>kvasprintf() uses the saved name pointer in two formatting passes, with a GFP_KERNEL allocation between them. With AF_RXRPC=m, a task that passes View permission before type retirement can overlap a privileged module unload in this order:</p> <p>1. KEYCTL_DESCRIBE looks up the key, saves key-&gt;type-&gt;name in the kasprintf() arguments and completes the first formatting pass. 2. While the formatter is delayed before its second pass, af_rxrpc_exit() calls unregister_key_type(), which removes the type from the registry and waits for key_gc_keytype(). 3. The collector takes key-&gt;sem for writing, retypes the retained key to key_type_dead and completes retirement. Unregistration and module exit return, allowing free_module() to release the type and name. 4. The formatter resumes its second pass and reads the saved name from released module storage, which can fault in string().</p> <p>Hold key-&gt;sem for reading across kasprintf(). The collector then cannot retype the key or complete retirement until both formatting passes have finished. If retirement wins the lock first, formatting uses the core…</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>keys: Protect the type name while describing a key</p> <p>keyctl_describe_key() must keep the key type&#39;s name alive until kasprintf() has consumed it. The retained key reference keeps the key and its description alive, but does not pin the module providing its type. The name is passed to kasprintf() without holding key-&gt;sem.</p> <p>kvasprintf() uses the saved name pointer in two formatting passes, with a GFP_KERNEL allocation between them. With AF_RXRPC=m, a task that passes View permission before type retirement can overlap a privileged module unload in this order:</p> <p>1. KEYCTL_DESCRIBE looks up the key, saves key-&gt;type-&gt;name in the kasprintf() arguments and completes the first formatting pass. 2. While the formatter is delayed before its second pass, af_rxrpc_exit() calls unregister_key_type(), which removes the type from the registry and waits for key_gc_keytype(). 3. The collector takes key-&gt;sem for writing, retypes the retained key to key_type_dead and completes retirement. Unregistration and module exit return, allowing free_module() to release the type and name. 4. The formatter resumes its second pass and reads the saved name from released module storage, which can fault in string().</p> <p>Hold key-&gt;sem for reading across kasprintf(). The collector then cannot retype the key or complete retirement until both formatting passes have finished. If retirement wins the lock first, formatting uses the core…</p> https://db.gcve.eu/vuln/fkie_cve-2026-99224 https://db.gcve.eu/vuln/ghsa-hcgw-fq49-4f77 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>keys: Protect the type name while describing a key</p> <p>keyctl_describe_key() must keep the key type&#39;s name alive until kasprintf() has consumed it. The retained key reference keeps the key and its description alive, but does not pin the module providing its type. The name is passed to kasprintf() without holding key-&gt;sem.</p> <p>kvasprintf() uses the saved name pointer in two formatting passes, with a GFP_KERNEL allocation between them. With AF_RXRPC=m, a task that passes View permission before type retirement can overlap a privileged module unload in this order:</p> <p>1. KEYCTL_DESCRIBE looks up the key, saves key-&gt;type-&gt;name in the kasprintf() arguments and completes the first formatting pass. 2. While the formatter is delayed before its second pass, af_rxrpc_exit() calls unregister_key_type(), which removes the type from the registry and waits for key_gc_keytype(). 3. The collector takes key-&gt;sem for writing, retypes the retained key to key_type_dead and completes retirement. Unregistration and module exit return, allowing free_module() to release the type and name. 4. The formatter resumes its second pass and reads the saved name from released module storage, which can fault in string().</p> <p>Hold key-&gt;sem for reading across kasprintf(). The collector then cannot retype the key or complete retirement until both formatting passes have finished. If retirement wins the lock first, formatting uses the core…</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>keys: Protect the type name while describing a key</p> <p>keyctl_describe_key() must keep the key type&#39;s name alive until kasprintf() has consumed it. The retained key reference keeps the key and its description alive, but does not pin the module providing its type. The name is passed to kasprintf() without holding key-&gt;sem.</p> <p>kvasprintf() uses the saved name pointer in two formatting passes, with a GFP_KERNEL allocation between them. With AF_RXRPC=m, a task that passes View permission before type retirement can overlap a privileged module unload in this order:</p> <p>1. KEYCTL_DESCRIBE looks up the key, saves key-&gt;type-&gt;name in the kasprintf() arguments and completes the first formatting pass. 2. While the formatter is delayed before its second pass, af_rxrpc_exit() calls unregister_key_type(), which removes the type from the registry and waits for key_gc_keytype(). 3. The collector takes key-&gt;sem for writing, retypes the retained key to key_type_dead and completes retirement. Unregistration and module exit return, allowing free_module() to release the type and name. 4. The formatter resumes its second pass and reads the saved name from released module storage, which can fault in string().</p> <p>Hold key-&gt;sem for reading across kasprintf(). The collector then cannot retype the key or complete retirement until both formatting passes have finished. If retirement wins the lock first, formatting uses the core…</p> https://db.gcve.eu/vuln/ghsa-hcgw-fq49-4f77 https://db.gcve.eu/vuln/msrc_cve-2026-99224 msrc_CVE-2026-99224 https://db.gcve.eu/vuln/msrc_cve-2026-99224 https://db.gcve.eu/vuln/opensuse-su-2026:12497-1 <p>kernel-devel-7.3.3-1.1 on GA media</p> <p>kernel-devel-7.3.3-1.1 on GA media</p> https://db.gcve.eu/vuln/opensuse-su-2026:12497-1 https://db.gcve.eu/vuln/ubuntu-cve-2026-99224 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:16.04:LTS: linux-hwe-edge and 257 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: keys: Protect the type name while describing a key keyctl_describe_key() must keep the key type&#39;s name alive until kasprintf() has consumed it. The retained key reference keeps the key and its description alive, but does not pin the module providing its type. The name is passed to kasprintf() without holding key-&gt;sem. kvasprintf() uses the saved name pointer in two formatting passes, with a GFP_KERNEL allocation between them. With AF_RXRPC=m, a task that passes View permission before type retirement can overlap a privileged module unload in this order: 1. KEYCTL_DESCRIBE looks up the key, saves key-&gt;type-&gt;name in the kasprintf() arguments and completes the first formatting pass. 2. While the formatter is delayed before its second pass, af_rxrpc_exit() calls unregister_key_type(), which removes the type from the registry and waits for key_gc_keytype(). 3. The collector takes key-&gt;sem for writing, retypes the retained key to key_type_dead and completes retirement. Unregistration and module exit return, allowing free_module() to release the type and name. 4. The formatter resumes its second pass and reads the saved name from released module storage, which can fault in string(). Hold key-&gt;sem for reading across kasprintf(). The collector then cannot retype the key or complete retirement until both formatting passes have finished. If retirement wins the lock first, formatting uses the core key_t…</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:16.04:LTS: linux-hwe-edge and 257 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: keys: Protect the type name while describing a key keyctl_describe_key() must keep the key type&#39;s name alive until kasprintf() has consumed it. The retained key reference keeps the key and its description alive, but does not pin the module providing its type. The name is passed to kasprintf() without holding key-&gt;sem. kvasprintf() uses the saved name pointer in two formatting passes, with a GFP_KERNEL allocation between them. With AF_RXRPC=m, a task that passes View permission before type retirement can overlap a privileged module unload in this order: 1. KEYCTL_DESCRIBE looks up the key, saves key-&gt;type-&gt;name in the kasprintf() arguments and completes the first formatting pass. 2. While the formatter is delayed before its second pass, af_rxrpc_exit() calls unregister_key_type(), which removes the type from the registry and waits for key_gc_keytype(). 3. The collector takes key-&gt;sem for writing, retypes the retained key to key_type_dead and completes retirement. Unregistration and module exit return, allowing free_module() to release the type and name. 4. The formatter resumes its second pass and reads the saved name from released module storage, which can fault in string(). Hold key-&gt;sem for reading across kasprintf(). The collector then cannot retype the key or complete retirement until both formatting passes have finished. If retirement wins the lock first, formatting uses the core key_t…</p> https://db.gcve.eu/vuln/ubuntu-cve-2026-99224 https://db.gcve.eu/vuln/wid-sec-w-2026-4302 <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen, darunter möglicherweise die Auslösung eines Denial-of-Service-Angriffs, die Manipulation oder Offenlegung von Daten, die Ausführung von beliebigem Code, die Erlangung erweiterter Berechtigungen oder die Umgehung von Sicherheitsmaßnahmen.</p> <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen, darunter möglicherweise die Auslösung eines Denial-of-Service-Angriffs, die Manipulation oder Offenlegung von Daten, die Ausführung von beliebigem Code, die Erlangung erweiterter Berechtigungen oder die Umgehung von Sicherheitsmaßnahmen.</p> https://db.gcve.eu/vuln/wid-sec-w-2026-4302