CVE-2021-47472

CVE-2021-47472 is rejected/not used as per the Initial Description.

CVE-2021-47471 drm: mxsfb: Fix NULL pointer dereference crash on unload

In the Linux kernel, the following vulnerability has been resolved: drm: mxsfb: Fix NULL pointer dereference crash on unload The mxsfb-crtc.funcs may already be NULL when unloading the driver, in which case calling mxsfbirqdisable via drmirquninstall from mxsfbunload leads to NULL pointer...

CVE-2021-47471 drm: mxsfb: Fix NULL pointer dereference crash on unload

In the Linux kernel, the following vulnerability has been resolved: drm: mxsfb: Fix NULL pointer dereference crash on unload The mxsfb-crtc.funcs may already be NULL when unloading the driver, in which case calling mxsfbirqdisable via drmirquninstall from mxsfbunload leads to NULL pointer...

CVE-2021-47470 mm, slub: fix potential use-after-free in slab_debugfs_fops

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slabdebugfsfops When sysfsslabadd failed, we shouldn't call debugfsslabadd for s because s will be freed soon. And slabdebugfsfops will use s later leading to a use-after-free...

CVE-2021-47471

In the Linux kernel, the following vulnerability has been resolved: drm: mxsfb: Fix NULL pointer dereference crash on unload The mxsfb-crtc.funcs may already be NULL when unloading the driver, in which case calling mxsfbirqdisable via drmirquninstall from mxsfbunload leads to NULL pointer...

CVE-2021-47466 mm, slub: fix potential memoryleak in kmem_cache_open()

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential memoryleak in kmemcacheopen In error path, the randomseq of slub cache might be leaked. Fix this by using kmemcacherelease to release all the relevant resources...

CVE-2021-47466

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential memoryleak in kmemcacheopen In error path, the randomseq of slub cache might be leaked. Fix this by using kmemcacherelease to release all the relevant resources...

CVE-2021-47465 KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Fix stack handling in idlekvmstartguest In commit 10d91611f426 "powerpc/64s: Reimplement book3s idle code in C" kvmstartguest became idlekvmstartguest. The old code allocated a stack frame on the emergency...

CVE-2021-47464

In the Linux kernel, the following vulnerability has been resolved: audit: fix possible null-pointer dereference in auditfilterrules Fix possible null-pointer dereference in auditfilterrules. auditfilterrules error: we previously assumed 'ctx' could be null...

CVE-2021-47462 mm/mempolicy: do not allow illegal MPOL_F_NUMA_BALANCING | MPOL_LOCAL in mbind()

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

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-2021-47463

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix NULL page-mapping dereference in pageissecretmem Check for a NULL page-mapping before dereferencing the mapping in pageissecretmem, as the page's mapping can be nullified while gup is running, e.g. by reclaim or...

CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2021-47460

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 "fs: Don't invalidate page buffers in blockwritefullpage" uncovered a latent bug in ocfs2 conversion from inline inode format to a normal inode...

CVE-2021-47459

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fix UAF for rxkref of j1939priv It will trigger UAF for rxkref of j1939priv as following. cpu0 cpu1 j1939skbindsocket0, ndev0, ... j1939netdevstart j1939skbindsocket1, ndev0, ... j1939netdevstart...

CVE-2021-47457

CVE-2021-47457 affects the Linux kernel’s CAN ISOTP path: isotp_sendmsg() failed to check the return value of wait_event_interruptible(), allowing a TX buffer to be accessed by multiple processes and causing interference. The fixes add a result check in isotp_sendmsg() to prevent multiple TX-acce...

CVE-2021-47457

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: add result check for waiteventinterruptible Using waiteventinterruptible to wait for complete transmission, but do not check the result of waiteventinterruptible which can be interrupted. It will result ...

CVE-2021-47458

In the Linux kernel, the following vulnerability has been resolved: ocfs2: mount fails with buffer overflow in strlen Starting with kernel 5.11 built with CONFIGFORTIFYSOURCE mouting an ocfs2 filesystem with either o2cb or pcmk cluster stack fails with the trace below. Problem seems to be that...

CVE-2021-47457 can: isotp: isotp_sendmsg(): add result check for wait_event_interruptible()

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: add result check for waiteventinterruptible Using waiteventinterruptible to wait for complete transmission, but do not check the result of waiteventinterruptible which can be interrupted. It will result ...

CVE-2021-47456

In the Linux kernel, the following vulnerability has been resolved: can: peakpci: peakpciremove: fix UAF When remove the module peekpci, referencing 'chan' again after releasing 'dev' will cause UAF. Fix this by releasing 'dev' later. The following log reveals it: 35.961814 BUG: KASAN:...