CVE-2021-47517

In the Linux kernel, the following vulnerability has been resolved: ethtool: do not perform operations on net devices being unregistered There is a short period between a net device starts to be unregistered and when it is actually gone. In that time frame ethtool operations could still be...

CVE-2021-47514

In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlinknlcmdreload While preparing my patch series adding netns refcount tracking, I spotted bugs in devlinknlcmdreload Some error paths forgot to release a refcount on a netns. To fix this, we...

CVE-2021-47512

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: prevent dismantle issue For some reason, fqpiedestroy did not copy working code from piedestroy and other qdiscs, thus causing elusive bug. Before calling deltimersync&q-;adapttimer, we need to ensure timer will...

CVE-2021-47510

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix re-dirty process of tree-log nodes There is a report of a transaction abort of -EAGAIN with the following script. !/bin/sh for d in sda sdb; do mkfs.btrfs -d single -m single -f /dev/$d done mount /dev/sda /mnt/test...

CVE-2021-47506

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've called vfssetlease. A delegation break runs a callback which immediately in nfsd4cbrecallprepare adds the delegation to delrecalllru...

CVE-2021-47546

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6rulesuppress The kernel leaks memory when a fib rule is present in IPv6 nftables firewall rules and a suppressprefix rule is present in the IPv6 routing rules used by certain tools such as wg-quick. I...

CVE-2021-47543

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority for the following reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2021-47541

In the Linux kernel, the following vulnerability has been resolved: net/mlx4en: Fix an use-after-free bug in mlx4entryallocresources In mlx4entryallocresources, mlx4encopypriv is called and tmp-txcq will be freed on the error path of mlx4encopypriv. After that mlx4enallocresources is called and...

CVE-2021-47539

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpcpeer leak in rxrpclookupbundle Need to call rxrpcputpeer for bundle candidate before kfree as it holds a ref to rxrpcpeer. DH: v2: Changed to abstract out the bundle freeing code into a function...

CVE-2021-47538

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpclocal leak in rxrpclookuppeer Need to call rxrpcputlocal for peer candidate before kfree as it holds a ref to rxrpclocal. DH: v2: Changed to abstract the peer freeing code out into a function...

CVE-2021-47535

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Allocate enough space for GMU registers In commit 142639a52a01 "drm/msm/a6xx: fix crashstate capture for A650" we changed a6xxgetgmuregisters to read 3 sets of registers. Unfortunately, we didn't change the memory...

CVE-2021-47533

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 "drm/vc4: kms: Wait on previous FIFO users before a commit" introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleare...

CVE-2021-47534

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Add missing drmcrtccommitput Commit 9ec03d7f1ed3 "drm/vc4: kms: Wait on previous FIFO users before a commit" introduced a global state for the HVS, with each FIFO storing the current CRTC commit so that we can...

CVE-2021-47530

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix waitfence submitqueue leak We weren't dropping the submitqueue reference in all paths. In particular, when the fence has already been signalled. Split out a helper to simplify handling this in the various different...

CVE-2021-47528

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: Fix a NULL pointer dereference in cdnspendpointinit In cdnspendpointinit, cdnspringalloc is assigned to pep-ring and there is a dereference of it in cdnspendpointinit, which could lead to a NULL pointer dereference on...

CVE-2021-47526

In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fix NULL pointer dereference in -remove drvdata has to be set in probe - otherwise platformgetdrvdata causes null pointer dereference BUG in remove. Mitigation Mitigation for this issue is either not available o...

CVE-2021-47561

A vulnerability was found in the Linux kernel's i2c virtio driver, where timeout handling was improperly managed. If a timeout occurs, the device may continue to process buffers that the guest has already freed, leading to potential data corruption on the I2C bus. Mitigation Mitigation for this...

CVE-2021-47557

In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: don't peek at classes beyond 'nbands' when the number of DRR classes decreases, the round-robin active list can contain elements that have already been freed in etsqdiscchange. As a consequence, it's possible t...

CVE-2021-47556

In the Linux kernel, the following vulnerability has been resolved: ethtool: ioctl: fix potential NULL deref in ethtoolsetcoalesce ethtoolsetcoalesce now uses both the .getcoalesce and .setcoalesce callbacks. But the check for their availability is buggy, so changing the coalesce settings on a...

CVE-2021-47551

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again In SRIOV configuration, the reset may failed to bring asic back to normal but stop cpsch already been called, the startcpsch will not be called since the...