CVE-2023-52489 mm/sparsemem: fix race in accessing memory_section->usage

In the Linux kernel, the following vulnerability has been resolved: mm/sparsemem: fix race in accessing memorysection-usage The below race is observed on a PFN which falls into the device memory region with the system memory configuration where PFN's are such that ZONENORMAL ZONEDEVICE ZONENORMAL...

CVE-2023-52485 drm/amd/display: Wake DMCUB before sending a command

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wake DMCUB before sending a command Why We can hang in place trying to send commands when the DMCUB isn't powered on. How For functions that execute within a DC context or DC lock we can wrap the direct calls to...

CVE-2021-47031

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix memory leak in mt7921coredumpwork Fix possible memory leak in mt7921coredumpwork...

CVE-2021-46982

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix race condition of overwrite vs truncate posfsstress testcase complains a panic as belew: ------------ cut here ------------ kernel BUG at fs/f2fs/compress.c:1082! invalid opcode: 0000 1 SMP PTI CPU: 4 PID:...

CVE-2023-52484 iommu/arm-smmu-v3: Fix soft lockup triggered by arm_smmu_mm_invalidate_range

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Fix soft lockup triggered by armsmmumminvalidaterange When running an SVA case, the following soft lockup is triggered: -------------------------------------------------------------------- watchdog: BUG: soft...

CVE-2023-52477 usb: hub: Guard against accesses to uninitialized BOS descriptors

In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields inside udev-bos without checking if it was allocated and initialized. If...

CVE-2021-47018

A flaw was found in the Linux kernel. The fixmap area that was defined for the PPC64 architecture was invalid. Mitigation Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment,...

CVE-2021-47035

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Remove WO permissions on second-level paging entries When the first level page table is used for IOVA translation, it only supports Read-Only and Read-Write permissions. The Write-Only permission is not supported as t...

CVE-2021-47033

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix tx skb dma unmap The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries...

CVE-2021-46996

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix a memleak from userdata error path in new objects Release object name if userdata allocation fails...

CVE-2021-47007

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix panic during f2fsresizefs f2fsresizefs hangs in below callstack with testcase: - mkfs 16GB image & mount image - dd 8GB fileA - dd 8GB fileB - sync - rm fileA - sync - resize filesystem to 8GB kernel BUG at...

CVE-2021-47005

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix NULL pointer dereference for -getfeatures getfeatures ops of pciepcops may return NULL, causing NULL pointer dereference in pciepftestallocspace function. Let us add a check for pciepcfeature pointer in...

CVE-2021-46992

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: avoid overflows in nfthashbuckets Number of buckets being stored in 32bit variables, we have to ensure that no overflows occur in nfthashbuckets syzbot injected a size == 0x40000000 and reported: UBSAN:...

CVE-2021-47041

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix incorrect locking in statechange sk callback We are not changing anything in the TCP connection state so we should not take a writelock but rather a read lock. This caused a deadlock when running nvmet-tcp and...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: powerpc/64: Fix the definition of the fixmap area At the time being, the fixmap area is defined at the top of the address space or just below KASAN. This definition is not valid for PPC64. For PPC64, use the top of the I/O space...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: i2c: imx-lpi2c: fix reference leak when pmruntimegetsync fails The PM reference count is not expected to be incremented on return in lpi2cimxmasterenable. However, pmruntimegetsync will increment the PM reference count even faile...

CVE-2021-47052 crypto: sa2ul - Fix memory leak of rxd

In the Linux kernel, the following vulnerability has been resolved: crypto: sa2ul - Fix memory leak of rxd There are two error return paths that are not freeing rxd and causing memory leaks. Fix these. Addresses-Coverity: "Resource leak"...

CVE-2021-47038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

CVE-2021-47036 udp: skip L4 aggregation for UDP tunnel packets

In the Linux kernel, the following vulnerability has been resolved: udp: skip L4 aggregation for UDP tunnel packets If NETIFFGROFRAGLIST or NETIFFGROUDPFWD are enabled, and there are UDP tunnels available in the system, udpgroreceive could end-up doing L4 aggregation either SKBGSOUDPL4 or...

CVE-2021-47028 mt76: mt7915: fix txrate reporting

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix txrate reporting Properly check rateinfo to fix unexpected reporting. 1215.161863 Call trace: 1215.164307 cfg80211calculatebitrate+0x124/0x200 cfg80211 1215.170139 ieee80211supdatemetric+0x80/0xc0 mac80211...