CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760 USB: core: Fix hang in usb_kill_urb by adding memory barriers

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760 USB: core: Fix hang in usb_kill_urb by adding memory barriers

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760

The CVE-2022-48760 entry concerns a Linux kernel USB subsystem hang in usb_kill_urb() caused by memory-access ordering issues (SB pattern) between usb_kill_urb() and __usb_hcd_giveback_urb() on SMP systems. The vulnerability is fixed by adding memory barriers, specifically using the smp_mb__after...

CVE-2022-48760 USB: core: Fix hang in usb_kill_urb by adding memory barriers

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

kernel: net: bridge: data races indata-races in br_handle_frame_finish()

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use DEVSTATSINC syzbot/KCSAN reported data-races in brhandleframefinish 1 This function can run from multiple cpus without mutual exclusion. Adopt SMP safe DEVSTATSINC to update dev-stats fields. Handles updates to...

CVE-2024-36902 ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6rules: avoid possible NULL dereference in fib6ruleaction syzbot is able to trigger the following crash 1, caused by unsafe ip6dstidev use. Indeed ip6dstidev can return NULL, and must always be checked. 1 Oops: general...

Fedora: Security Advisory (FEDORA-2024-111a8a624b)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

kernel: scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id()

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use rawsmpprocessorid instead of smpprocessorid The following call trace was observed: localhost kernel: nvme nvme0: NVME-FC0: controller connect complete localhost kernel: BUG: using smpprocessorid in preemptible...

CVE-2021-47454

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPTCOUNT=y, when a CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

CVE-2021-47454

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPTCOUNT=y, when a CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

CVE-2021-47454

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPTCOUNT=y, when a CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

CVE-2021-47463

CVE-2021-47463 concerns a Linux kernel NULL pointer dereference in mm/secretmem during GUP operations. The issue arises from dereferencing page->mapping without ensuring it is non-NULL as a page mapping can be nulled while gup() runs (e.g., by reclaim or truncation). A fix was implemented to ...

CVE-2021-47454 powerpc/smp: do not decrement idle task preempt count in CPU offline

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPTCOUNT=y, when a CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

CVE-2023-52796

In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlanroutev6outbound helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlanprocessv6outbound by moving the flowi6 struct used for the route lookup in an non...

CVE-2023-52839 drivers: perf: Do not broadcast to other cpus when starting a counter

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: Do not broadcast to other cpus when starting a counter This command: $ perf record -e cycles:k -e instructions:k -c 10000 -m 64M dd if=/dev/zero of=/dev/null count=1000 gives rise to this kernel warning: 444.364395...

CVE-2023-52796 ipvlan: add ipvlan_route_v6_outbound() helper

In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlanroutev6outbound helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlanprocessv6outbound by moving the flowi6 struct used for the route lookup in an non...

CVE-2023-52780 net: mvneta: fix calls to page_pool_get_stats

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: fix calls to pagepoolgetstats Calling pagepoolgetstats in the mvneta driver without checks leads to kernel crashes. First the page pool is only available if the bm is not used. The page pool is also not allocated whe...