CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46976

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix crash in autoretire The retire logic uses the 2 lower bits of the pointer to the retire function to store flags. However, the autoretire function is not guaranteed to be aligned to a multiple of 4, which causes...

CVE-2021-46977

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a user return MSR via RDSMR/WRMSR. If the MSR holds a different value per logical CPU, the WRMSR could corrupt the host's value if KVM is...

DEBIAN-CVE-2021-46977

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a user return MSR via RDSMR/WRMSR. If the MSR holds a different value per logical CPU, the WRMSR could corrupt the host's value if KVM is...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a user return MSR via RDSMR/WRMSR. If the MSR holds a different value per logical CPU, the WRMSR could corrupt the host's value if KVM is...

UBUNTU-CVE-2021-46977

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a user return MSR via RDSMR/WRMSR. If the MSR holds a different value per logical CPU, the WRMSR could corrupt the host's value if KVM is...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

CVE-2021-47025 iommu/mediatek: Always enable the clk on resume

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Always enable the clk on resume In mtkiommuruntimeresume always enable the clk, even if m4udom is null. Otherwise the 'suspend' cb might disable the clk which is already disabled causing the warning: 1.586104...

CVE-2021-47014 net/sched: act_ct: fix wild memory access when clearing fragments

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix wild memory access when clearing fragments while testing re-assembly/re-fragmentation using actct, it's possible to observe a crash like the following one: KASAN: maybe wild-memory-access in range...

CVE-2021-46976 drm/i915: Fix crash in auto_retire

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix crash in autoretire The retire logic uses the 2 lower bits of the pointer to the retire function to store flags. However, the autoretire function is not guaranteed to be aligned to a multiple of 4, which causes...

Code injection

Parts of the Scrapy API were found to be vulnerable to a ReDoS attack. Handling a malicious response could cause extreme CPU and memory usage during the parsing of its content, due to the use of vulnerable regular expressions for that parsing...

CVE-2024-1892

A Regular Expression Denial of Service ReDoS vulnerability exists in the XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of XML content. By crafting malicious XML content that exploits inefficient regular expression complexity used in the parsing process, an attacker...

CVE-2024-1892

CVE-2024-1892 is a ReDoS vulnerability in Scrapy’s XMLFeedSpider class during XML parsing. The issue arises from inefficient regular expressions used in parsing XML content, enabling an attacker to cause a denial-of-service by crafting malicious XML that can exhaust CPU and memory, potentially ma...

RHEL 8 / 9 : OpenShift Container Platform 4.13.35 (RHSA-2024:0948)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:0948 advisory. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private clo...

Ubuntu 20.04 LTS / 22.04 LTS / 23.10 : Unbound vulnerabilities (USN-6665-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6665-1 advisory. Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Unbound incorrectly handled validating DNSSEC...

unbound security update

1.16.2-5.2 - bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387 - bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources CVE-2023-50868...

Oracle Linux 8 : unbound (ELSA-2024-0965)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0965 advisory. - bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387 Tenable has extracted the preceding description block directly from the...

AlmaLinux 8 : unbound (ALSA-2024:0965)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:0965 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denial of service CPU...

AlmaLinux 9 : unbound (ALSA-2024:0977)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:0977 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denial of service CPU...

CVE-2021-46964

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Reserve extra IRQ vectors Commit a6dcfe08487e "scsi: qla2xxx: Limit interrupt vectors to number of CPUs" lowers the number of allocated MSI-X vectors to the number of CPUs. That breaks vector allocation assumptions...