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

In the Linux kernel, the following vulnerabilities have been resolved: wifi: iwlwifi: fixed a memory corruption iwlfwinitriggertlv::data is a pointer to a le32; this means that if we copy data to iwlfwinitriggertlv::data + offset where offset is in bytes, we will write beyond the buffer...

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

In the Linux kernel, the following vulnerability has been resolved: arp: Prevent overflow in arpreqget. Syzkaller reported an overflow during the write operation in arpreqget. 0 When the ioctlSIOCGARP function is called, arpreqget retrieves a neighbor entry and copies neigh-ha to struct...

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

A null pointer dereference flaw was discovered in the hugetlbfsfillsuper function within the Linux kernel’s hugetlbfs Huge TLB pages functionality. This issue may allow a local user to crash the system or potentially escalate their privileges on the system...

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Synchronize devfreqmonitorstart/stop There is a risk that frequent changes to the governor, performed in a loop, may lead to corruption of the timer list. Specifically, the timer cancellation process, which occurs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: X.509: Fixed out-of-bounds access during the parsing of extensions Leo reports a situation where out-of-bounds access occurs during the parsing of a certificate with empty Basic Constraints or Key Usage extensions. This occurs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: Fix for statistics allocation. The controller per-cpu statistics is not allocated until after the controller has been registered with the driver core. This creates a window during which accessing the sysfs attributes may lea...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the bpf and arm64 architectures, there is a vulnerability where forcing an 8-byte alignment for the JIT buffer can prevent atomic tearing. The struct bpfplt structure contains a u64 target field. Currently, the BPF JIT allocat...

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/mlx5e: Check for the NOTREADY flag state after locking Currently, the check for the NOTREADY flag is performed before obtaining the necessary lock. This creates a possibility for race conditions when the flow is concurrently...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: This issue prevents shift wrapping in the setusersqsize function. The ucmd-logsqbbcount variable is controlled by the user, which means that the shift operation can cause wrapping. This issue can be fixed by using...

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

In the Linux kernel, the following vulnerability has been resolved: In md/raid10, there is a issue where memory leaks occur in the MD thread. In raid10run, if setupconf succeeds and raid10run fails before setting ‘mddev-thread’, then the variable ‘conf-thread’ is not freed after the failure. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iomap: A possible overflow condition in iomapwritedelallocscan has been fixed. folionextindex returns a signed long value; if PAGESHIFT is shifted to the left, it may cause an overflow on 32-bit systems. Instead, use folioposfoli...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: Set exceptionirqentry with irqentry as a default. filterirqstacks is supposed to remove entries that are related to irq entries from its call stack. And inirqentrytext, which is called by filterirqstacks, uses...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The netlink notifier might race to release objects. The commit release path is invoked via callrcu, and it runs without locking to release the objects after the rcu grace period. The netlink notifier handler...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: A memory leak has been fixed in the ipcpciereadbioscfg function. The ipcpciereadbioscfg function uses acpievaluatedsm to obtain the wwan power state configuration from the BIOS. However, it does not free the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Properly marking live registers for indirect jumps For the gotox rX instruction, the rX register should be marked as used in the computeinsnlive regs function. This issue has been fixed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the media section, for staging, in media for zoran, the correct buffer size for zoranreapstatcom was calculated incorrectly. When tmpdcim=1 is set, the index of the buffer was miscalculated. This could lead to a NULL pointer...

Astra Linux – Vulnerability in Linux 5.10

A out-of-bounds memory read flaw was discovered in the Linux kernel’s BPF subsystem, related to how a user calls the bpftailcall function with a key that is larger than the maxentries of the map. This flaw allows a local user to gain unauthorized access to data...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: can: vxcan: vxcanxmit: fix use after free bug After calling netifrxniskb, dereferencing the skb is unsafe. In particular, the canfdframe structure, which aliases skb memory, is accessed after the netifrxni function...