Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 02:27:21 +0000 CVE-2021-47456 — can: peak_pci: peak_pci_remove(): fix UAF https://vulnerability.circl.lu/vuln/cve-2021-47456 <p><strong>Affected:</strong> Linux, linux_kernel</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>can: peak_pci: peak_pci_remove(): fix UAF</p> <p>When remove the module peek_pci, referencing &#39;chan&#39; again after releasing &#39;dev&#39; will cause UAF.</p> <p>Fix this by releasing &#39;dev&#39; later.</p> <p>The following log reveals it:</p> <p>[ 35.961814 ] BUG: KASAN: use-after-free in peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.963414 ] Read of size 8 at addr ffff888136998ee8 by task modprobe/5537 [ 35.965513 ] Call Trace: [ 35.965718 ] dump_stack_lvl+0xa8/0xd1 [ 35.966028 ] print_address_description+0x87/0x3b0 [ 35.966420 ] kasan_report+0x172/0x1c0 [ 35.966725 ] ? peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.967137 ] ? trace_irq_enable_rcuidle+0x10/0x170 [ 35.967529 ] ? peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.967945 ] __asan_report_load8_noabort+0x14/0x20 [ 35.968346 ] peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.968752 ] pci_device_remove+0xa9/0x250</p> <p><strong>Affected:</strong> Linux, linux_kernel</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>can: peak_pci: peak_pci_remove(): fix UAF</p> <p>When remove the module peek_pci, referencing &#39;chan&#39; again after releasing &#39;dev&#39; will cause UAF.</p> <p>Fix this by releasing &#39;dev&#39; later.</p> <p>The following log reveals it:</p> <p>[ 35.961814 ] BUG: KASAN: use-after-free in peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.963414 ] Read of size 8 at addr ffff888136998ee8 by task modprobe/5537 [ 35.965513 ] Call Trace: [ 35.965718 ] dump_stack_lvl+0xa8/0xd1 [ 35.966028 ] print_address_description+0x87/0x3b0 [ 35.966420 ] kasan_report+0x172/0x1c0 [ 35.966725 ] ? peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.967137 ] ? trace_irq_enable_rcuidle+0x10/0x170 [ 35.967529 ] ? peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.967945 ] __asan_report_load8_noabort+0x14/0x20 [ 35.968346 ] peak_pci_remove+0x16f/0x270 [peak_pci] [ 35.968752 ] pci_device_remove+0xa9/0x250</p> https://vulnerability.circl.lu/vuln/cve-2021-47456