CVE-2024-56585 LoongArch: Fix sleeping in atomic context for PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix sleeping in atomic context for PREEMPTRT Commit bab1c299f3945ffe79 "LoongArch: Fix sleeping in atomic context in setuptlbhandler" changes the gfp flag from GFPKERNEL to GFPATOMIC for allocpagesnode. However, for...

GameOver(lay) Privilege Escalation and Container Escape

This module exploits the use of unsafe functions in a number of Ubuntu kernels utilizing vulnerable versions of overlayfs. To mitigate CVE-2021-3493 the Linux kernel added a call to vfssetxattr during ovldosetxattr. Due to independent changes to the kernel by the Ubuntu development team...

arm64: probes: Fix uprobes for big-endian kernels

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CVE-2024-53109

In the Linux kernel, the following vulnerability has been resolved: nommu: pass NULL argument to vmaiterprealloc When deleting a vma entry from a maple tree, it has to pass NULL to vmaiterprealloc in order to calculate internal state of the tree, but it passed a wrong argument. As a result, nommu...

AZL-54207 CVE-2024-53120 affecting package kernel for versions less than 5.15.176.3-1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix null-ptr-deref in add rule err flow In error flow of mlx5tcctentryaddrule, in case ctruleadd callback returns error, zonerule-attr is used uninitiated. Fix it to use attr which has the needed pointer value...

Researchers Discover "Bootkitty" – First UEFI Bootkit Targeting Linux Kernels

Cybersecurity researchers have shed light on what has been described as the first Unified Extensible Firmware Interface UEFI bootkit designed for Linux systems. Dubbed Bootkitty by its creators who go by the name BlackCat, the bootkit is assessed to be a proof-of-concept PoC and there is no...

CVE-2024-50194

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding which is always little-endian into the kernel's native endianness...

microcode_ctl security update

20240910-1.0.1 - switch upstream to 9 Stream sources for simplicity - don't bother calling dracut if virtualized Orabug: 35710094 - ensure UEK also rebuilds initramfs Orabug: 34280058 - add support for UEK7 kernels - enable early update for 06-4f-01 - remove no longer appropriate caveats for...

AZL-53313 CVE-2024-50256 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfrejectipv6: fix potential crash in nfsendreset6 I got a syzbot report without a repro 1 crashing in nfsendreset6 I think the issue is that dev-hardheaderlen is zero, and we attempt later to push an Ethernet header. U...

bpftrace security update

An update is available for bpftrace. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet...

CVE-2024-50194

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding which is always little-endian into the kernel's native endianness...

DEBIAN-CVE-2024-50194

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding which is always little-endian into the kernel's native endianness...

AZL-53679 CVE-2024-50198 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: iio: light: veml6030: fix IIO device retrieval from embedded device The dev pointer that is received as an argument in the inilluminanceperiodavailableshow function references the device embedded in the IIO device, not in the i2c...

CVE-2024-50194 arm64: probes: Fix uprobes for big-endian kernels

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding which is always little-endian into the kernel's native endianness...

CVE-2024-50194

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding which is always little-endian into the kernel's native endianness...

AZL-52306 CVE-2024-50131 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: tracing: Consider the NULL character when validating the event length strlen returns a string length excluding the null byte. If the string length equals to the maximum buffer length, the buffer will have no space for the NULL...

AZL-52471 CVE-2024-50117 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amd: Guard against bad data for ATIF ACPI method If a BIOS provides bad data in response to an ATIF method call this causes a NULL pointer dereference in the caller. ? showregs arch/x86/kernel/dumpstack.c:478 discriminator 1 ...

AZL-51351 CVE-2024-50031 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Stop the active perfmon before being destroyed When running kmscube with one or more performance monitors enabled via GALLIUMHUD, the following kernel panic can occur: 55.008324 Unable to handle kernel paging request at...

CVE-2024-50036 net: do not delay dst_entries_add() in dst_release()

In the Linux kernel, the following vulnerability has been resolved: net: do not delay dstentriesadd in dstrelease dstentriesadd uses per-cpu data that might be freed at netns dismantle from ip6routenetexit calling dstentriesdestroy Before ip6routenetexit can be called, we release all the dsts...

CVE-2024-50036

CVE-2024-50036 is a Linux kernel vulnerability where dst_entries_add() uses per-CPU data that can be freed during netns dismantle, making dst_entries_destroy() race with dst_release() and potentially causing a use-after-free. The issue arises because the count of dsts must be decremented earlier,...