Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4907-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4907-1 advisory. Wen Xu discovered that the xfs file system implementation in the Linux kernel did not properly validate the number of extents in an inode. An...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9086)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9086 advisory. - xen-blkback: fix error handling in xenblkbkmap Jan Beulich Orabug: 32492109 CVE-2021-26930 - xen-scsiback: dont 'handle' error by BUG Jan Beulich...

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9087)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-9087 advisory. - ovl: verify permissions in ovlpathopen Miklos Szeredi Orabug: 32435220 CVE-2020-16120 - ovl: switch to mounter creds in readdir Miklos Szeredi Orabug...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.10.12 and fixes at least the following security issues: fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPL...

CVE-2021-3347

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458...

CVE-2021-3347

CVE-2021-3347 is a Linux kernel use-after-free in PI futex fault handling that could allow a local user to crash the kernel or escalate privileges. Multiple connected advisories confirm the issue and indicate fixes have been released across distributions (e.g., generic kernel updates and kernel l...

CVE-2021-3347

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458...

WebKit: JSC: Stack-Use-After-Free in ObjectPatternNode::appendEntry

Here's a snippet of ObjectPatternNode::appendEntry. void appendEntryconst JSTokenLocation&, ExpressionNode propertyExpression, DestructuringPatternNode pattern, ExpressionNode defaultValue, BindingType bindingType mtargetPatterns.appendEntry Identifier, propertyExpression, false, pattern,...

WebKit JSC - 'ObjectPatternNode::appendEntry' Stack Use-After-Free

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1256 Here's a snippet of ObjectPatternNode::appendEntry. void appendEntryconst JSTokenLocation&, ExpressionNode propertyExpression, DestructuringPatternNode pattern, ExpressionNode defaultValue, BindingType bindingType...