CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

DEBIAN-CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

UBUNTU-CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839

The connected advisories confirm CVE-2022-48839 affects the Linux kernel net/packet area. Affected component: AF_PACKET sockets using PACKET_COPY_THRESH with mmap can queue skbs containing garbage in skb->cb[], leading to a too-big copy. Root cause described as slab-out-of-bounds/stack-out-of-...

CVE-2022-48839 net/packet: fix slab-out-of-bounds access in packet_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839 net/packet: fix slab-out-of-bounds access in packet_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2024-39497

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

SUSE CVE-2024-39497

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

DEBIAN-CVE-2024-40918

In the Linux kernel, the following vulnerability has been resolved: parisc: Try to fix random segmentation faults in package builds PA-RISC systems with PA8800 and PA8900 processors have had problems with random segmentation faults for many years. Systems with earlier processors are much more...

CVE-2024-39497

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

CVE-2024-39497

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

UBUNTU-CVE-2024-39497

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

CVE-2024-40918 parisc: Try to fix random segmentation faults in package builds

In the Linux kernel, the following vulnerability has been resolved: parisc: Try to fix random segmentation faults in package builds PA-RISC systems with PA8800 and PA8900 processors have had problems with random segmentation faults for many years. Systems with earlier processors are much more...

CVE-2024-39497 drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE)

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

CVE-2024-39497

CVE-2024-39497: In the Linux kernel, drm/shmem-helper fix for a BUG_ON() triggered by mmap(PROT_WRITE, MAP_PRIVATE) in drm_gem_shmem_mmap. The issue arose from a missing check for copy-on-write (COW) mappings, which could lead to a kernel panic at vmf_insert_pfn_prot when a VMA has VM_PFNMAP and ...

kernel: hwrng: core - Fix page fault dead lock on mmap-ed hwrng

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 servi...

kernel: perf/core: Bail out early if the request AUX area is out of bound

In the Linux kernel, the following vulnerability has been resolved: perf/core: Bail out early if the request AUX area is out of bound When perf-record with a large AUX area, e.g 4GB, it fails with: perf record -C 0 -m ,4G -e armspe0// -- sleep 1 failed to mmap with 12 Cannot allocate memory and i...

kernel: hwrng: core - Fix page fault dead lock on mmap-ed hwrng

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 servi...

kernel: perf/core: Bail out early if the request AUX area is out of bound

In the Linux kernel, the following vulnerability has been resolved: perf/core: Bail out early if the request AUX area is out of bound When perf-record with a large AUX area, e.g 4GB, it fails with: perf record -C 0 -m ,4G -e armspe0// -- sleep 1 failed to mmap with 12 Cannot allocate memory and i...