RHEL 7 : qemu-kvm-rhev (RHSA-2017:3470)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:3470 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provi...

SUSE CVE-2024-50080

In the Linux kernel, the following vulnerability has been resolved: ublk: don't allow user copy for unprivileged device UBLKFUSERCOPY requires userspace to call write on ublk char device for filling request buffer, and unprivileged device can't be trusted. So don't allow user copy for unprivilege...

SUSE CVE-2024-49959

In the Linux kernel, the following vulnerability has been resolved: jbd2: stop waiting for space when jbd2cleanupjournaltail returns error In jbd2logwaitforspace, we might call jbd2cleanupjournaltail to recover some journal space. But if an error occurs while executing jbd2cleanupjournaltail e.g....

SUSE CVE-2024-49994

In the Linux kernel, the following vulnerability has been resolved: block: fix integer overflow in BLKSECDISCARD I independently rediscovered commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 block: fix overflow in blkioctldiscard but for secure erase. Same problem: uint64t r2 = 512,...

SUSE CVE-2024-47682

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix off-by-one error in sdreadblockcharacteristics Ff the device returns page 0xb1 with length 8 happens with qemu v2.x, for example, sdreadblockcharacteristics may attempt an out-of-bounds memory access when accessing...

SUSE CVE-2024-49855

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbdrequeuecmd, normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix t...

DEBIAN-CVE-2024-49855

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbdrequeuecmd, normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix t...

UBUNTU-CVE-2024-49855

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbdrequeuecmd, normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix t...

DEBIAN-CVE-2024-47680

In the Linux kernel, the following vulnerability has been resolved: f2fs: check discard support for conventional zones As the helper function f2fsbdevsupportdiscard shows, f2fs checks if the target block devices support discard by calling bdevmaxdiscardsectors and bdeviszoned. This check works we...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a problem with jbd2 stopping waiting for space when handling errors...

PT-2024-33832

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an integer overflow in BLKSECDISCARD, which can cause a near infinite loop inside blkdev issue secure erase. This occurs when a specific ioctl call is made with...

PT-2024-34104

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A crash can occur in the Linux kernel when blk alloc disk fails, causing the md-disk variable to be set to an error value. The cleanup mapped device function attempts to access md-disk...

libnbd security update

An update is available for libnbd. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Network Block Device NBD is a protocol for accessing Block Devices hard disks...

QEMU: Denial of Service via Improper Synchronization in QEMU NBD Server During Socket Closure

A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service DoS attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline...

libnbd: NBD server improper certificate validation

A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic...

kernel: nbd: always initialize struct msghdr completely

In the Linux kernel, the following vulnerability has been resolved: nbd: always initialize struct msghdr completely syzbot complains that msg-msggetinq value can be uninitialized 1 struct msghdr got many new fields recently, we should always make sure their values is zero by default. 1 BUG: KMSAN...

The vulnerability of the NBD library protocol, related to incorrect certificate verification, allows attackers to disclose protected information and compromise the integrity of the system.

The vulnerability of the NBD protocol of the libnbd library is related to improper verification of the NBD server’s certificate when TLS is used for connecting to the NBD server. Exploiting this vulnerability can allow a malicious actor to disclose sensitive information and compromise the integri...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6999-2)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6999-2 advisory. Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to caus...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-7029-1)

"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7029-1 advisory. Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cau...

libnbd: NBD server improper certificate validation

A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic...