1082 matches found
DEBIAN-CVE-2019-12382
An issue was discovered in drmloadedidfirmware in drivers/gpu/drm/drmedidload.c in the Linux kernel through 5.1.5. There is an unchecked kstrdup of fwstr, which might allow an attacker to cause a denial of service NULL pointer dereference and system crash. NOTE: The vendor disputes this issues as...
kernel: memory leak when merging buffers in SCSI IO vectors
It was found that in the Linux kernel through v4.14-rc5, biomapuseriov and biounmapuser in 'block/bio.c' do unbalanced pages refcounting if IO vector has small consecutive buffers belonging to the same page. bioaddpcpage merges them into one, but the page reference is never dropped, causing a...
Deja-XNU
Posted by Ian Beer, Google Project Zero This blog post revisits an old bug found by Pangu Team and combines it with a new, albeit very similar issue I recently found to try to build a "perfect" exploit for iOS 7.1.2. State of the art An idea I've wanted to play with for a while is to revisit old...
Linux 4.18 - Arbitrary Kernel Read into dmesg via Missing Address Check in segfault Handler
There is a missing address check in both showopcodes callers. showopcodes is mostly used by the kernel to print the raw instruction bytes surrounding an instruction that generated an unexpected exception; however, sometimes it is also used to print userspace instructions. Because the userspace...
Linux (Ubuntu) - Other Users coredumps Can Be Read via setgid Directory and killpriv Bypass
Linux Ubuntu - Other Users coredumps Can Be Read via setgid Directory and killpriv Bypass / Note: I am both sending this bug report to [email protected] and filing it in the Ubuntu bugtracker because I can't tell whether this counts as a kernel bug or as a Ubuntu bug. You may wish to talk to ea...
File-Level Restore - FUSE mount is not supported on kernel versions 4.0.0-4.1.33
This issue is related to a known kernel bug and affects any version of Veeam Agent for Linux. Challenge When performing guest file recovery from a backup of a machine running Linux Kernel versions 4.0.0 through 4.1.33, the restore fails to mount with the error: FUSE mount is not supported on kern...
kernel: vfs: BUG in truncate_inode_pages_range() and fuse client
A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a page boundary...
kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ
A reachable assertion failure flaw was found in the Linux kernel built with KVM virtualisationCONFIGKVM support with Virtual Function I/O feature CONFIGVFIO enabled. This failure could occur if a malicious guest device sent a virtual interrupt guest IRQ with a larger 1024 index value...
Linux Kernel 4.14.rc3 - Local Denial of Service
Linux Kernel 4.14.rc3 - Local Denial of Service / Exploit Title: Linux Kernelnrfrags was overwritten by ev-iferror = err 0xff in the condition where nlh-nlmsglen==0x10 and skb-len nlh-nlmsglen. POC: / include include include include include define NETLINKUSER 31 define MAXPAYLOAD 1024 / maximum...
Security Apps Fail to Detect Malware Threats Due to Windows Kernel Bug
By Waqas According to security researchers, there is a decade old bug This is a post from HackRead.com Read the original post: Security Apps Fail to Detect Malware Threats Due to Windows Kernel Bug...
kernel: net: IPv6 DCCP implementation mishandles inheritance
The IPv6 DCCP implementation in the Linux kernel mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. An unprivileged local user could use this flaw to induce kernel memo...
SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2060-1)
This update for the Linux Kernel 3.12.62-6062 fixes several issues. The following security bugs were fixed : - CVE-2017-7533: A bug in inotify code allowed local users to escalate privilege bsc1050751. - CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel allowed remot...
kernel: a BUG() statement can be hit in net/ipv4/tcp_input.c
It was discovered that the Linux kernel since 3.6-rc1 with 'net.ipv4.tcpfastopen' set to 1 can hit BUG statement in tcpcollapse function after making a number of certain syscalls leading to a possible system crash...
initroot: Bypassing Nexus 6 Secure Boot through Kernel Command-line Injection
In the May 2017 Android Security Bulletin, Google released a patch to a critical and unique vulnerability CVE-2016-10277 in the Nexus 6 bootloader we had found and responsibly disclosed. By exploiting the vulnerability, a physical adversary or one with authorized-ADB/fastboot USB access to the...
CVE-2017-8831
The saa7164busget function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service out-of-bounds array access or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch"...
RunC Exec Vulnerability | Cloud Foundry
Medium Vendor Open Containers Initiative Description RunC allowed additional container processes via runc exec to be ptraced by the pid 1 of the container. This allows the main processes of the container, if running as root, to gain access to file-descriptors of these new processes during the...
DEBIAN-CVE-2016-8660
The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service fdatasync failure and system hang by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."...
Moderate: Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...
glibc security, bug fix, and enhancement update
2.17-105.0.1 - Remove strstr and strcasestr implementations using sse4.2 instructions. - Upstream commits 584b18eb4df61ccd447db2dfe8c8a7901f8c8598 and 1818483b15d22016b0eae41d37ee91cc87b37510 backported. 2.17-105 - Fix up test case for initial-exec fix 1248208. 2.17-104 - Mark all TLS variables i...