UBUNTU-CVE-2021-47200

In the Linux kernel, the following vulnerability has been resolved: drm/prime: Fix use after free in mmap with drmgemttmmmap drmgemttmmmap drops a reference to the gem object on success. If the gem object's refcount == 1 on entry to drmgemprimemmap, that drop will free the gem object, and the...

CVE-2021-47200

In the Linux kernel, the following vulnerability has been resolved: drm/prime: Fix use after free in mmap with drmgemttmmmap drmgemttmmmap drops a reference to the gem object on success. If the gem object's refcount == 1 on entry to drmgemprimemmap, that drop will free the gem object, and the...

CVE-2021-47200

In the Linux kernel, the following vulnerability has been resolved: drm/prime: Fix use after free in mmap with drmgemttmmmap drmgemttmmmap drops a reference to the gem object on success. If the gem object's refcount == 1 on entry to drmgemprimemmap, that drop will free the gem object, and the...

CVE-2023-52615

A vulnerability was found in the hwrng component of the Linux kernel, which caused a deadlock when reading from /dev/hwrng into memory and mmap-ed from /dev/hwrng. This issue is triggered by a recursive read during a page fault and allows a local, authenticated attacker to cause a denial of...

CVE-2023-52615

In the Linux kernel, the following vulnerability has been resolved: hwrng: core - Fix page fault dead lock on mmap-ed hwrng There is a dead-lock in the hwrng device read path. This triggers when the user reads from /dev/hwrng into memory also mmap-ed from /dev/hwrng. The resulting page fault...

CVE-2023-52615 hwrng: core - Fix page fault dead lock on mmap-ed hwrng

In the Linux kernel, the following vulnerability has been resolved: hwrng: core - Fix page fault dead lock on mmap-ed hwrng There is a dead-lock in the hwrng device read path. This triggers when the user reads from /dev/hwrng into memory also mmap-ed from /dev/hwrng. The resulting page fault...

CVE-2023-52615

CVE-2023-52615 : The Linux kernel patch fixes a deadlock in the hwrng read path when a user reads from /dev/hwrng and mmap()’ed memory overlap. Root cause is a page fault during copy_to_user invoked from the hwrng core read path, which could trigger a recursive read and deadlock. The fix switches...

CVE-2023-52615 hwrng: core - Fix page fault dead lock on mmap-ed hwrng

In the Linux kernel, the following vulnerability has been resolved: hwrng: core - Fix page fault dead lock on mmap-ed hwrng There is a dead-lock in the hwrng device read path. This triggers when the user reads from /dev/hwrng into memory also mmap-ed from /dev/hwrng. The resulting page fault...

DEBIAN-CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

Design/Logic Flaw

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

UBUNTU-CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

CVE-2021-46927

CVE-2021-46927 concerns Linux kernel Nitro Enclaves memory mapping. After commit 5b78ed24e8ec, a call to get_user_pages() can trigger an mmap assertion when setting enclave memory regions. The fix switches to get_user_pages_unlocked() for enclave memory region setup, mirroring patterns like mmap_...

CVE-2021-46927 nitro_enclaves: Use get_user_pages_unlocked() call to handle mmap assert

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

CVE-2021-46927 nitro_enclaves: Use get_user_pages_unlocked() call to handle mmap assert

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

Linux kernel security vulnerabilities

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from the use of the getuserpagesunlocked call to handle mmap assertions...

SUSE CVE-2023-52438

In the Linux kernel, the following vulnerability has been resolved: binder: fix use-after-free in shinker's callback The mmap read lock is used during the shrinker's callback, which means that using alloc-vma pointer isn't safe as it can race with munmap. As of commit dd2283f2605e "mm: mmap: zap...

kernel: net/packet: slab-out-of-bounds access in packet_recvmsg()

An out-of-bounds access issue was found in the Linux kernel networking subsystem in the way raw packet sockets AFPACKET used PACKETCOPYTHRESH and mmap operations. A local attacker with CAPNETRAW capability could use this flaw to trigger a buffer overflow resulting in a system crash or privilege...