DEBIAN-CVE-2021-47406

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

DEBIAN-CVE-2021-47322

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfsmarkrequestcommit when doing ODIRECT Fix an Oopsable condition in pnfsmarkrequestcommit when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt...

CVE-2021-47266

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 "RDMA/ipoib: Set rtnllinkops for ipoib interfaces", if the IPoIB device is moved to non-initial netns, destroying that netns lets the...

CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47238

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in ipmcadd1src BUG: memory leak unreferenced object 0xffff888101bc4c00 size 32: comm "syz-executor527", pid 360, jiffies 4294807421 age 19.329s hex dump first 32 bytes: 00 00 00 00 00 00 00 00 00 00 00 ...

CVE-2021-47350

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix lockup on kernel exec fault The powerpc kernel is not prepared to handle exec faults from kernel. Especially, the function isexecfault will return 'false' when an exec fault is taken by kernel, because the check i...

UBUNTU-CVE-2021-47406

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47406

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

UBUNTU-CVE-2021-47322

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfsmarkrequestcommit when doing ODIRECT Fix an Oopsable condition in pnfsmarkrequestcommit when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt...

CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47406 ext4: add error checking to ext4_ext_replay_set_iblocks()

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

CVE-2021-47406 ext4: add error checking to ext4_ext_replay_set_iblocks()

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

CVE-2021-47406

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

CVE-2021-47376 bpf: Add oversize check before call kvcalloc()

In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b "mm: don't allow oversized kvmalloc calls" add the oversize check. When the allocation is larger than what kmalloc supports, the following warning triggered: WARNIN...

CVE-2021-47350 powerpc/mm: Fix lockup on kernel exec fault

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix lockup on kernel exec fault The powerpc kernel is not prepared to handle exec faults from kernel. Especially, the function isexecfault will return 'false' when an exec fault is taken by kernel, because the check i...

CVE-2021-47322 NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfsmarkrequestcommit when doing ODIRECT Fix an Oopsable condition in pnfsmarkrequestcommit when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt...

CVE-2021-47304 tcp: fix tcp_init_transfer() to not reset icsk_ca_initialized

In the Linux kernel, the following vulnerability has been resolved: tcp: fix tcpinittransfer to not reset icskcainitialized This commit fixes a bug found by syzkaller that could cause spurious double-initializations for congestion control modules, which could cause memory leaks or other problems...

CVE-2021-47266 RDMA/ipoib: Fix warning caused by destroying non-initial netns

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 "RDMA/ipoib: Set rtnllinkops for ipoib interfaces", if the IPoIB device is moved to non-initial netns, destroying that netns lets the...

CVE-2021-47266 RDMA/ipoib: Fix warning caused by destroying non-initial netns

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 "RDMA/ipoib: Set rtnllinkops for ipoib interfaces", if the IPoIB device is moved to non-initial netns, destroying that netns lets the...