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CVE-2022-29901

Arbitrary Memory Disclosure through CPU Side-Channel Attacks (Retbleed)

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

CVSS 3.1 · 5.6 Medium EPSS 5.0% KEV · Not listed
Vendors
Debian Fedoraproject Intel and 3 more
Products
Debian Linux Fedora Core I3-6100 and 255 more
CVE-2022-29900

hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.

CVSS 3.1 · 6.5 Medium EPSS 3.9% KEV · Not listed
Vendors
Amd Debian Fedoraproject and 2 more
Products
A10-9600p A10-9600p Firmware A10-9630p and 250 more
CVE-2022-29526

golang: syscall: faccessat checks wrong group

Go before 1.17.10 and 1.18.x before 1.18.2 has Incorrect Privilege Assignment. When called with a non-zero flags parameter, the Faccessat function could incorrectly report that a file is accessible.

CVSS 3.1 · 5.3 Medium EPSS 3.0% KEV · Not listed
Vendors
Fedoraproject Golang Linux and 2 more
Products
Fedora Go Linux Kernel and 12 more
CVE-2022-29187

Bypass of safe.directory protections in Git

Git is a distributed revision control system. Git prior to versions 2.37.1, 2.36.2, 2.35.4, 2.34.4, 2.33.4, 2.32.3, 2.31.4, and 2.30.5, is vulnerable to privilege escalation in all platforms. An unsuspecting user could still be affected by the issue reported in CVE-2022-24765, for example when navigating as root into a shared tmp directory that is owned by them, but where an attacker could create a git repository. Versions 2.37.1, 2.36.2, 2.35.4, 2.34.4, 2.33.4, 2.32.3, 2.31.4, and 2.30.5 contain a patch for this issue. The simplest way to avoid being affected by the exploit described in the example is to avoid running git as root (or an Administrator in Windows), and if needed to reduce its use to a minimum. While a generic workaround is not possible, a system could be hardened from the exploit described in the example by removing any such repository if it exists already and creating one as root to block any future attacks.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Apple Debian Fedoraproject and 2 more
Products
Xcode Debian Linux Fedora and 3 more
CVE-2022-29154

rsync: remote arbitrary files write inside the directories of connecting peers

An issue was discovered in rsync before 3.2.5 that allows malicious remote servers to write arbitrary files inside the directories of connecting peers. The server chooses which files/directories are sent to the client. However, the rsync client performs insufficient validation of file names. A malicious rsync server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rsync client target directory and subdirectories (for example, overwrite the .ssh/authorized_keys file).

CVSS 3.1 · 7.4 High EPSS 2.3% KEV · Not listed
Vendors
Fedoraproject Redhat Samba
Products
Fedora Enterprise Linux Rhel E4s and 3 more
CVE-2022-28805

lua: heap buffer overread

singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.

CVSS 3.1 · 9.1 Critical EPSS 3.0% KEV · Not listed
Vendors
Fedoraproject Lua Redhat
Products
Fedora Lua Enterprise Linux
CVE-2022-28614

read beyond bounds via ap_rwrite()

The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against current headers to resolve the issue.

CVSS 3.1 · 5.3 Medium EPSS 5.1% KEV · Not listed
Vendors
Apache Fedoraproject Netapp and 1 more
Products
Http Server Fedora Clustered Data Ontap and 3 more
CVE-2022-28131

Stack exhaustion from deeply nested XML documents in encoding/xml

Uncontrolled recursion in Decoder.Skip in encoding/xml before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via a deeply nested XML document.

CVSS 3.1 · 7.5 High EPSS 2.6% KEV · Not listed
Vendors
Fedoraproject Golang Netapp and 1 more
Products
Fedora Go Cloud Insights Telegraf and 13 more
CVE-2022-27664

golang: net/http: handle server errors after sending GOAWAY

In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error.

CVSS 3.1 · 7.5 High EPSS 3.5% KEV · Not listed
Vendors
Fedoraproject Golang Redhat
Products
Fedora Go Acm and 16 more
CVE-2022-27652

cri-o: Default inheritable capabilities for linux container should be empty

A flaw was found in cri-o, where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Kubernetes Mobyproject and 1 more
Products
Fedora Cri-o Moby and 2 more
CVE-2022-27651

buildah: Default inheritable capabilities for linux container should be empty

A flaw was found in buildah where containers were incorrectly started with non-empty default permissions. A bug was found in Moby (Docker Engine) where containers were incorrectly started with non-empty inheritable Linux process capabilities, enabling an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs. This has the potential to impact confidentiality and integrity.

CVSS 3.1 · 6.8 Medium EPSS 1.3% KEV · Not listed
Vendors
Buildah Project Fedoraproject Redhat
Products
Buildah Fedora Enterprise Linux and 1 more
CVE-2022-27650

crun: Default inheritable capabilities for linux container should be empty

A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Vendors
Crun Project Fedoraproject Redhat
Products
Crun Fedora Enterprise Linux and 1 more
CVE-2022-27649

podman: Default inheritable capabilities for linux container should be empty

A flaw was found in Podman, where containers were started incorrectly with non-empty default permissions. A vulnerability was found in Moby (Docker Engine), where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

CVSS 3.1 · 7.5 High EPSS 1.4% KEV · Not listed
Vendors
Fedoraproject Podman Project Redhat
Products
Fedora Podman Developer Tools and 12 more
CVE-2022-27337

poppler: A logic error in the Hints::Hints function can cause denial of service

A logic error in the Hints::Hints function of Poppler v22.03.0 allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

CVSS 3.1 · 6.5 Medium EPSS 1.6% KEV · Not listed
Vendors
Debian Fedoraproject Freedesktop and 1 more
Products
Debian Linux Fedora Poppler and 1 more
CVE-2022-27239

cifs-utils: stack-based buffer overflow mount.cifs may lead to local privilege escalation to root

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Fedoraproject Hp and 3 more
Products
Debian Linux Fedora Helion Openstack and 17 more