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 – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Treating $Extend records as regular files. Since the commit af153bb63a33 "vfs: catching invalid modes in mayopen" requires that any inode be of one of the types SIFDIR/SIFLNK/SIFREG/SIFCHR/SIFBLK/SIFIFO/SIFSOCK, use SIFREG...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the session ID and tree ID in compound requests. The function smb2getmsg in smb2getksmbdtcon and smb2checkusersession always returns the first command in a compound request’s headers. If SMB2TREECONNECTHE is the...

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

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fixed a NULL pointer issue in the channel unregistration function. The dmaasyncdevicechannelregister function may fail. In the event of a failure, chan-local is freed with freepercpu, and chan-local becomes null. When...

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

In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: A check against a null-pointer-def was added. The driver should check whether the client provides the platformdata. The following log reveals this issue: 29.610324 BUG: KASAN: nullptrderef in kmemdup+0x30/0x40...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid updating the compression context during writeback Bai, Shuangpeng reported a bug as follows: Oops: division error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btusb: Added a NULL check for “date-evtskb”. Fixed a crash due to NULL pointers. 6104.969662 BUG: NULL pointer dereferencing in the kernel; address: 00000000000000c8 6104.969667 PF: Supervisor read access in kernel...

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

In the Linux kernel, the following vulnerability has been resolved: net/rds: fixed the warning in rdsconnconnectifdown. If a connection is not established yet, getmr will fail, causing the connection to be initiated after getmr...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-motu: added a bounds check in the putuser loop for DSP events. In the DSP event handling code, the putuser loop copies event data. When the user buffer size is not aligned to 4 bytes, it may overwrite data beyond t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec – Fixed memory leak during sec resource release The AIV is one of the SEC resources. When releasing resources, it is necessary to release the AIV resources at the same time. Otherwise, memory leakage will...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/v3d: Set DMA segment size to avoid debug warnings When using V3D rendering with CONFIGDMAAPIDEBUG enabled, the kernel occasionally reports a segment size mismatch. This is because ‘maxsegsize’ is not set. The kernel defaul...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Do not return “unset power” in ieee80211gettxpower. We may receive a UBSAN warning if ieee80211gettxpower returns the INTMIN value that mac80211 internally uses for “unset power level”. UBSAN:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss – Fixed race conditions during the processing of SysEx messages The OSS sequencer handles SysEx messages that are split into 6-byte packets. The ALSA sequencer’s OSS layer attempts to combine these packets...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Free releases resources after coalescing. The releaseresource function does not actually free the resource or the resource list. To avoid a leak, the resource list entry is freed instead...

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: um: ubd: Do not use drvdata in release. The drvdata is not available in release. Let’s simply use containerof to obtain the ubd instance. Otherwise, removing a ubd device will result in a crash: RIP: 0033:blkmqfreetagset+0x1f/0xb...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Julia Lawall reported this null pointer dereference issue; this should fix it...

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: UDP: Do not accept non-tunnel GSO packets that land in a tunnel. When rx-udp-gro-forwarding is enabled, UDP packets may be forwarded in a way that causes them to land in a tunnel. This can lead to various issues. udpgroreceive...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a use-after-free in btrfsencodedreadendio. Shinichiro reported the following use-after-free that sometimes occurs in our CI system when running fstests' btrfs/284 on a TCMU runner device: BUG: KASAN:...

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: Most: USB – Fix for use-after-free in hdmdisconnect The hdmdisconnect function calls mostderegisterinterface, which ultimately unregisters the MOST interface device using deviceunregisteriface-dev. If this action drops the last...

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: btrfs: fix use-after-free when attempting to join an aborted transaction When we are trying to join the current transaction and if it's aborted, we read its 'aborted' field after unlocking fsinfo-translock and without holding any...