CVE-2024-26925: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release mutex after nftgcseqend from abort path The commit mutex should not be released during the critical section between nftgcseqbegin and nftgcseqend, otherwise, async GC worker could collect expired...

CVE-2021-47192: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: scsi: core: sysfs: Fix hang when device state is set via sysfs This fixes a regression added with: commit f0f82e2476f6 "scsi: core: Fix capacity set to zero after offlinining device" The problem is that after iSCSI recovery, iscs...

CVE-2024-26686: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: use sig-statslock to gather the threads/children stats locktasksighand can trigger a hard lockup. If NRCPUS threads call dotaskstat at the same time and the process has NRTHREADS, it will spin with irqs...

CVE-2024-26658: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: bcachefs: grab sumount only if snapshotting When I was testing mongodb over bcachefs with compression, there is a lockdep warning when snapshotting mongodb data volume. $ cat test.sh prog=bcachefs $prog subvolume create /mnt/data...

CVE-2024-26679: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: inet: read sk-skfamily once in inetrecverror inetrecverror is called without holding the socket lock. IPv6 socket could mutate to IPv4 with IPV6ADDRFORM socket option and trigger a KCSAN warning...

Debian dla-3778 : libnss-libvirt - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3778 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3778-1 [email protected]...

CVE-2021-47163: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: tipc: wait and exit until all work queues are done On some host, a crash could be triggered simply by repeating these commands several times: modprobe tipc tipc bearer enable media udp name UDP1 localip 127.0.0.1 rmmod tipc BUG:...

kernel: vmwgfx: race condition leading to information disclosure vulnerability

A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context o...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that idev-mcifccount is allowed to be rewritten without proper locking...

CVE-2024-26629: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix RELEASELOCKOWNER The test on socount in nfsd4releaselockowner is nonsense and harmful. Revert to using checkforlocks, changing that to not sleep. First: harmful. As is documented in the kdoc comment for...

CVE-2023-52590: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Avoid touching renamed directory if parent does not change The VFS will not be locking moved directory if its parent does not change. Change ocfs2 rename code to avoid touching renamed directory if its parent does not chan...

CVE-2023-52587: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: IB/ipoib: Fix mcast list locking Releasing the priv-lock while iterating the priv-multicastlist in ipoibmcastjointask opens a window for ipoibmcastdevflush to remove the items while in the middle of iteration. If the mcast is...

CVE-2021-47091: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix locking in ieee80211startap error path We need to hold the local-mtx to release the channel context, as even encoded by the lockdepassertheld there. Fix it...

CVE-2023-52524: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered...

CVE-2023-52505: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: phy: lynx-28g: serialize concurrent physetmodeext calls to shared registers The protocol converter configuration registers PCC8, PCCC, PCCD implemented by the driver, as well as others, control protocol converters from multiple...

CVE-2023-52516: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: dma-debug: don't call dmaentryalloccheckleak under freeentrieslock dmaentryalloccheckleak calls into printk - serial console output qcom geni and grabs port-lock under freeentrieslock spin lock, which is a reverse locking...

CVE-2024-26614: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the acceptqueue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at...

CVE-2023-52493: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Drop chan lock before queuing buffers Ensure read and write locks for the channel are not taken in succession by dropping the read lock from parsexferevent such that a callback given to client can potentially queu...

CVE-2023-52484: Improper Locking

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-2021-47055: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: mtd: require write permissions for locking and badblock ioctls MEMLOCK, MEMUNLOCK and OTPLOCK modify protection bits. Thus require write permission. Depending on the hardware MEMLOCK might even be write-once, e.g. for SPI-NOR...