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: sh: intc: Fixed a use-after-free bug in registerintccontroller In the error handling for this function, the variable d is freed without ever removing it from the intclist. This could lead to a use-after-free condition. To fix thi...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: A memory leak has been fixed in tbnetopen. When tbringallocrx fails in tbnetopen, the memory allocated in tbxdomainallocouthopid is not released. Add tbxdomainreleaseouthopid to the error path to release the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ptp: A possible memory leak has been fixed in ptpclockregister. I encountered a memory leak during the fault injection test as follows: Unreferenced object: 0xffff88800906c618 size 8 Command: comm "i2c-idt82p33931", PID 4421,...

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

A flaw was discovered in the IPv4 Resource Reservation Protocol RSVP classifier within the Linux kernel. The xprt pointer may extend beyond the linear portion of the skb structure, resulting in an out-of-bounds read in the rsvpclassify function. This issue could potentially cause a local user to...

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

In the Linux kernel, the following vulnerability has been resolved: Binder: Signals for epoll threads that perform self-work In epoll mode, threads often rely on I/O events to determine when data is ready for consumption. Within binder, a thread may initiate a command via BINDERWRITEREAD without...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: caif: fixed a memory leak in caifdevicenotify In the event of a failure in caifenrolldev, the allocated linksupport will not be assigned to the corresponding structure. Therefore, simply free the allocated pointer in case of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: TCP: cdg: allows tcpcdgrelease to be called multiple times. It seems that MPTCP can call tcpdisconnect on a flow that is already disconnected. This is generally fine, unless the current congestion control mechanism is CDG, as ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the warning from kernelwriteiter 2110.972290 ------------ Cut here ------------ 2110.972301 WARNING: CPU: 3 PID: 735 at fs/readwrite.c:599 kernelwriteiter+0x21b/0x280 This patch does not allow writing to directories...

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: fs/proc: fixed the softlockup issue in readvmcore part 2. Since the commit 5cbcb62dddf5 fs/proc: fix softlockup in readvmcore, the number of softlockups during readvmcore at the time of kdump has decreased, but they still occur...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs: check overflow when iterating ATTRRECORDs The kernel iterates over ATTRRECORDS in mft records in the ntfsattrfind function. Since ATTRRECORDS are adjacent to each other, the kernel can access the next ATTRRECORD from the en...

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

In the Linux kernel, the following vulnerabilities have been resolved: ima: Fixed a use-after-free issue related to the dname.name of a dentry. – dname.name can be changed during a rename operation, and the previous value can be freed. There are conditions that could potentially stabilize this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: pagealloc: moving the mlocked flag to freepagesprepare Syzbot reported a problem with bad page state caused by a page being freed using freepage, while the mlocked flag is still present during the freepagesprepare stage: BUG:...

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

In the Linux kernel, the following vulnerability has been resolved: drm/komeda: check for error-valued pointer komedapipelinegetstate may return an error-valued pointer; therefore, it is necessary to check that the pointer has a negative or null value before dereferencing it...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixed an underflow in calculations for the second superblock position. The macro NILFSSB2OFFSETBYTES calculates the position of the second superblock. This calculation results in an underflow when the devicesize argument ...

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: media: atomisp: Added a check for a failure in memory allocation for rgbydata. In iacss3astatisticsallocate, there is no check on the allocation result of the rgbydata memory. If rgbydata is not successfully allocated, it may...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i2c: acpi: fixed a resource leak in device addition during reconfiguration. The acpii2cfindadapterbyhandle function calls busfinddevice, which takes a reference to the adapter. This reference is never released, resulting in a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/scs: The task stack state is reset in bringupcpu. When a CPU is hot-plugged, the idle task on that CPU calls several layers of C code before finally leaving the kernel. When KASAN is in use, a “poisoned” shadow is left behi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a slab-out-of-bounds read in eaget During the “sizecheck” step in eaget, the code checks whether the extended attribute list xattr size matches easize. If not, it logs “eaget: invalid extended attribute” and calls...

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

In the Linux kernel, the following vulnerability has been resolved: of/irq: Prevent device address out-of-bounds read in interrupt map walk When ofirqparseraw is invoked with a device address smaller than the interrupt parent node from address-cells property, KASAN detects the following...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: BPF, sockmap: Do not allow sockmapclose,destroy,unhash to call itself. Proto callback functions in sockmap should never call themselves by design. Protect against bugs like 1 and break out of the recursive loop to avoid a stac...