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

In the Linux kernel, the following vulnerability has been resolved: jfs: Fixed an out-of-bounds shift in dbDiscardAG. When searching for the next smaller log2 block, BLKSTOL2 returned 0, causing the shift exponent -1 to become negative. This patch fixes the issue by exiting the loop directly when...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpnewlink. The gtplinkops operation structure for the subsystem must be registered after registering the gtpnetops pernet operation structure. Syzkaller encountered a...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpgenldumppdp. The gtpnetops pernet operations structure for the subsystem must be registered before registering the generic netlink family. Syzkaller encountered a...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftchainfilter: handling of NETDEVUNREGISTER for the inet/ingress basechain. Remove netdevice from the inet/ingress basechain in case NETDEVUNREGISTER event is reported; otherwise, a stale reference to netdevice remain...

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

In the Linux kernel, the following vulnerabilities have been resolved: usb: cdns3: Fixed a memory double-free issue when handling zero-length packets. 829: If request-complete, then: 830 spinunlock&privdev-lock; 831 usbgadgetgivebackrequest&privep-endpoint, 832 request; 833 spinlock&privdev-lock;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: Server: Fixed a use-after-free in smb2open. The opinfo pointer obtained via rcudereferencefp-fopinfo is dereferenced after rcureadunlock, creating a use-after-free situation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mac80211: Fix for corruption due to changed flags in MBSS on 32-bit systems. On 32-bit systems, the size of an unsigned long is 4 bytes, while a u64 is 8 bytes. Therefore, when using oreachsetbitbit, &bits, sizeofchanged...

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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211 – Fix for buffer overflow in the elem comparison. For vendor elements, the code assumes that 5 octets are present without checking them. Since the element itself has already been checked for compatibility, we only...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xfs: Fixed undersized liclogroundoff values. If the superblock does not list a log stripe unit, we set the incore log roundoff value to 512. This can lead to corrupted logs and unmountable file systems in generic/617 on a disk...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/mxsfb: Disabling the overlay plane in mxsfbplaneoverlayatomicdisable When disabling the overlay plane in mxsfbplaneoverlayatomicupdate, the framebuffer pointer of the overlay plane is NULL. Therefore, dereferencing it would...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Do not leak netobj memory when gssreadproxyverf fails...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fixed a credential leak in nfs4discovertrunking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: A memory leak was fixed in lpfccreateport. The commit 5e633302ace1 “scsi: lpfc: vmid: Added support for VMID in the mailbox command” introduced allocations for the VMID resources in lpfccreateport after the call to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an inode leak in ext4xattrinodecreate, which occurs on an error path. There is a issue when using setxattr with a fault injection: localhost fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 12-Sep-2022 Pass 1: Checking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: tag8021q: Avoid leaking ctx on the error path of dsatag8021qregister If dsatag8021qsetup fails, for example due to the device’s inability to install a VLAN, the tag8021q context of the switch will be leaked. Make sure...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there’s a use-after-free in hciremoveadvmonitor. By examining the disassembly, it can be seen that the issue arises from the access in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed potential OOPs in cifsoplockbreak With deferred close, there may be situations where closes occur simultaneously with lease breaks. Additionally, when checking whether to send the lease response, oplockresponse can...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP – Fixed a potential issue after the “user-after-free” operation. This fix addresses all cases where allocating a buffer using allocskb might release the “chan lock”, and reacquiring the lock later could result in...