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...

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

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 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

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,...

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...

AZL-52099 CVE-2024-49950 affecting package kernel for versions less than 5.15.176.3-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix uaf in l2capconnect Syzbot reported BUG: KASAN: slab-use-after-free in l2capconnect.constprop.0+0x10d8/0x1270 net/bluetooth/l2capcore.c:3949 Read of size 8 at addr ffff8880241e9800 by task kworker/u9:0/54 CP...

AZL-53343 CVE-2024-49866 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: tracing/timerlat: Fix a race during cpuhp processing There is another found exception that the "timerlat/1" thread was scheduled on CPU0, and lead to timer corruption finally: ODEBUG: init active active state 0 object:...

AZL-50637 CVE-2024-47752 affecting package kernel for versions less than 6.6.56.1-5

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Fix H264 stateless decoder smatch warning Fix a smatch static checker warning on vdech264reqif.c. Which leads to a kernel crash when fb is NULL...

AZL-51189 CVE-2024-47709 affecting package kernel for versions less than 6.6.56.1-5

In the Linux kernel, the following vulnerability has been resolved: can: bcm: Clear bo-bcmprocread after removeprocentry. syzbot reported a warning in bcmrelease. 0 The blamed change fixed another warning that is triggered when connect is issued again for a socket whose connected device has been...

AZL-50891 CVE-2024-47701 affecting package kernel for versions less than 6.6.56.1-5

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid OOB when system.data xattr changes underneath the filesystem When looking up for an entry in an inlined directory, if evalueoffs is changed underneath the filesystem by some change in the block device, it will lead to...