Astra Linux – Vulnerabilities in Firefox, Thunderbird, and Expat

Expat also known as libexpat prior to version 2.4.4 has a signed integer overflow issue in XMLGetBuffer, especially for configurations where XMLCONTEXTBYTES is non-zero...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: tipc: skblinearize the head skb when reassembling msgs It’s not a good idea to append the frag skb to a skb’s fraglist if the fraglist already contains skbs from elsewhere. For example, this frag skb was created by pskbcopy, wher...

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: rtl818x: rtl8187: Fixed a potential buffer underflow in rtl8187rxcb. The rtl8187rxcb function calculates the RX descriptor header address by subtracting its size from the skbtailptr. However, it does not validate whether th...

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: Input: imxsckey – fixed memory corruption upon unloading. It should be labeled as “priv”, but we accidentally passed “&priv”, which is an address in the stack. This can lead to memory corruption when the imxsckeyaction function i...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a possible memory leak in smb2lock. argv needs to be freed when setupasyncwork fails, or when the current process is awakened...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: qlogic/qede: fixed a potential out-of-bounds read in qedetpacont and qedetpaend. The loops in ‘qedetpacont’ and ‘qedetpaend’ iterate over ‘cqe-lenlist’, using only a zero-length terminator as the stopping condition. If the...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: USB: Fixed an error in the warning message for incorrect direction handling in plusb.c. The syzbot fuzzer detected a bug in the plusb network driver: A zero-length control-OUT transfer was incorrectly treated as a read...

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

A issue was discovered in the drivers/usb/storage/eneub6250.c file for the ENE UB6250 reader driver in the Linux kernel before version 6.2.5. An object could potentially extend beyond the end of an allocation...

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 ntfsattrfind. Since ATTRRECORDS are adjacent to each other, the kernel can access the next ATTRRECORD from the end address of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: virtio/vsock: Fixed an uninit-value issue in virtiotransportrecvpkt KMSAN reported the following uninit-value access issues: ===================================================== BUG: KMSAN: uninit-value in...

Astra Linux – Vulnerability in freerdp2

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The affected versions are subject to an invalid offset validation, leading to Out Of Bound Write errors. This issue can occur when the values rect-left and rect-top are exactly equal to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: smartpqi: Fix for disablemanagedinterrupts The issue with the registration of blk-mq using the module parameter “disablemanagedinterrupts” was corrected. When we disable the default PCIIRQAFFINITY flag, the driver needs ...

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: netfilter: nftables: Unconditionally sets set-nelems before inserting an element. In the event that the set is full, a new element is inserted and then removed without waiting for the RCU grace period. Meanwhile, the RCU reader m...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fixed locking issues for runtime updates of bcmop. The commit c2aba69d0c36 “can: bcm: added locking for runtime updates of bcmop” added locking for certain variables that can be modified at runtime during the update of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/EFI: Deferring the freeing of boot services memory The efifreebootservices function frees the memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issues with this approach:...

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

In the Linux kernel, the following vulnerabilities have been resolved: hfs: fixed the missing hfsbnodeget function in hfsbnodecreate. Syzbot discovered a kernel bug in hfsbnodeput: Kernel bug at fs/hfs/bnode.c:466! Invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 0 PID: 3634 Comm: kworker/u4:5 Not...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-core: fixed a memory leak in dhchapsecretstore Free the dhchapsecret in nvmectrldhchapsecretstore, before returning. Fixed the following kmemleak: Unreferenced object 0xffff8886376ea800 size 64: Command "check", PID 22048...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Device property: Fixed the node refcount leak in fwnodegraphgetnextendpoint. The “parent” returned by fwnodegraphgetportparent has its refcount incremented when ‘prev’ is not NULL. This variable needs to be set after using it...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: preserved skbendoffset in skbunclonekeeptruesize syzbot discovered another way to trigger the infamous WARNONONCE delta truesize, and also ensure that TCP does not fill the new tailroom that skbexpandhead could obtain fro...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fixed soft lockup issues. There is a while-loop in astdpsetonoff, which could lead to an infinite loop. This is because the register VGACRI-Dx checked in this API is actually a scratch register controlled by an MCU named...