Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i915/perf: Fixed NULL dereference bugs with drmdbg calls When the i915 perf interface is not available, dereferencing it will result in NULL references. Returning -ENOTSUPP is quite clear; a return value should be returned when t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: disabling the sending of iouring via sockets File reference cycles have caused many problems for iouring in the past. It still doesn’t work correctly, and it causes races with unixstreamreadgeneric. The safest...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RISCV: Check whether the code to be patched lies within the exit section. Otherwise, we proceed to vmalloctopage, which panics because the address does not lie within the vmalloc region...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, make sure that it actually exists in the frame...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “perf trace: Really free the evsel-priv area” In 3cb4d5e00e037c70 “perf trace: Free syscall tp fields in evsel-priv”, it only freed the area if strcmpevsel-tpformat-system, “syscalls” returned zero. However, the initialization of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: avoid stalls in fqpietimer When setting a high number of flows limit being 65536, fqpietimer is currently using too much time as syzbot reported. Add logic to yield the cpu every 2048 flows less than 150 usec on...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: added a NULL check in xfrmupdateaeparams Normally, x-replayesn and x-preplayesn should be allocated in xfrmallocreplaystateesn…, hence xfrmupdateaeparams… can update them. However, the current implementation of xfrmnewae…...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: um: time-travel: fix time corruption In the “basic” time-travel mode without =inf-cpu or =ext, we still encounter timer interrupts. These can occur at arbitrary times, for example, while inside the timerread function, which simpl...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: iommu/arm-smmu-v3: Fixed the soft lockup triggered by armsmmumminvalidaterange. When running an SVA case, the following soft lockup is triggered: -------------------------------------------------------------------- watchdog:...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Fixed a data race around unixtotinflight. unixtotinflight is updated under spinlockunixgclock, but unixreleasesock reads it without locking. We will use READONCE for unixtotinflight...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The page extent mapping was set after the readfolio operation in relocateonepage. One of the CI runs triggered the following panic: Assertion failed: PagePrivatepage && page-private, in fs/btrfs/subpage.c:229 ----------...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fixed a potential data race in the PCM memory allocation helpers The PCM memory allocation helpers include a sanity check to prevent too many buffer allocations. However, this check is performed without proper locking,...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: llc: Calling sockorphan at the release time syzbot reported an interesting trace 1 caused by a stale pointer to sk-skwq in a closed llc socket. In the commit ff7b11aa481f "net: socket: setting sock-sk to NULL after calling...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Hub – Protection against access to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields within udev-bos without checking whether they have been allocated and...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: prevented mss overflow in skbsegment Once again, syzbot is able to cause the kernel to crash in skbSegment. “GSOBYFRAGS” is a forbidden value, but unfortunately, the following calculation in skbSegment can easily result in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The issue of slub overflow in ksmbddecodentlmsspauthblob has been fixed. If authblob-SessionKey.Length is larger than the size of the session key CIFSKEYSIZE, slub overflow can occur in the key exchange process. The functi...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A use-after-free vulnerability in the Linux kernel’s afunix component can be exploited to achieve local privilege escalation. The unixstreamsendpage function attempts to add data to the last skb in the peer’s recv queue without locking the queue. This creates a race condition where...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Astra Linux – Vulnerabilities in Linux, Linux-6.1, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: BPF: Check rcureadlockTraceheld before calling BPF map helpers. These three BPFmaplookup,update,deleteelem helpers are also available for sleepable BPF programs. Therefore, add the corresponding lock assertion for sleepable BP...