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: blk-iocost: Do not issue a warning if iocg was already offline. In iocgpaydebt, a warning is triggered if ‘activelist’ is empty. This is intended to confirm that iocg is active when it has debts. However, a warning can still be...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm raid: fixed the address sanitizer warning in raidstatus. This warning occurs when using a kernel with address sanitizer and running this testsuite: https://gitlab.com/cki-project/kernel-tests/-/tree/main/storage/swraid/scsirai...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: s390/dcssblk: fixed the kernel crash caused by corruption in the listadd operation. The commit fb08a1908cb1 “dax: simplified the daxdevice gendisk association” introduced new logic for gendisk association, requiring drivers to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: RISC-V: Ensure that port I/O string accessors actually work properly. Fixed port I/O string accessors such as insb’, outsb’, etc., which use the physical PCI port I/O address rather than the corresponding memory mapping to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed an DFS traversal error without CONFIGCIFSDFSUPCALL. When compiled with CONFIGCIFSDFSUPCALL disabled, cifsdfsdautomount is NULL. The logic in cifs.ko for mapping CIFSFATTRDFSREFERRAL attributes to SAUTOMOUNT and...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv6: Ensure a sane device MTU in tunnels Another syzbot report 1 indicates a bug in the ip6gre tunnel device: dev:ip6gretap0. Since the ipv6 mcast code ensures that the dev-mtu is read once and a sanity check is performed on it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rose: Fixed NULL pointer dereferencing in rosesendframe. The syzkaller reported an issue: KASAN: NULL pointer dereferencing in range 0x0000000000000380-0x0000000000000387 CPU: 0 PID: 4069 Comm: kworker/0:15 Not tainted...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: s390/lcs: Fixed the return type of lcsstartxmit With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to ensure that the call target i...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfs: Fixed the KMSAN warning in decodegetfattr attrs. Fixed the following KMSAN warnings: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: B=BADPAGE Hardware name: QEMU Standard PC Q35 + ICH9, 2009...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Silence the warning when evicting an inode with dioreadnolock When evicting an inode with the default dioreadnolock setting, it may cause problems because the unwritten extents are converted by the kworker after writeback,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SMB3: Added missing locks to protect the deferred close file list. The cifsdeldeferredclose function has a critical section that modifies the deferred close file list. We must acquire the deferredlock before calling the...

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

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM’s integrated assembler would incorrectly byte-swap NOPs when compiling for big-endian, and the resulting sequence of bytes happened to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/pci: Fixed the issue where memory was disabled if the DVSEC CXL range did not match a CFMWS window. The Linux CXL subsystem is based on the assumption that HPA == SPA. That is, the host physical address HPA of the HDM decoder...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: Tables: FPDT: Do not call acpiosmapmemory on an invalid physical address. On a Packard Bell Dot SC Intel Atom N2600 model, there is an FPDT table containing invalid physical addresses, with high bits set that fall outside t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed null-ptr-deref in r5lFlushStripeToRaid The r5lFlushStripeToRaid function will check whether the list ‘flushingios’ is empty. It will then submit ‘flushbio’. However, r5llogFlushEndio clears the list first, a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: Deny offloading of tc-based TSN features on VF interfaces TSN features on the ENETC taprio, cbs, gate, police are configured through a combination of command BD ring messages and port registers: enetcportrd,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The issue of the refcount leak in the PCI device during amdgpuatrmgetbios has been fixed. According to the comments on pcigetclass, it returns a pcidevice with its refcount being incremented. Additionally, the refcoun...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/core: Fixed the ETHP1588 flow dissector. When an PTP Ethernet raw frame with a size of more than 256 bytes followed by a 0xff pattern is sent to skbflowdissect, the calculation of the nhoff value is incorrect. For example,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: fixed the issue with the netdevstartxmit trace event vs skbtransportoffset After the committed code, we must be more careful when using skbtransportoffset, as reminded by syzbot: WARNING: CPU: 0 PID: 10 at...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/setmemory: Avoid spinlock recursion in changepageattr The commit 1f9ad21c3b38 “powerpc/mm: Implement setmemory routines” included a spinlock call in changepageattr in order to safely perform the three-step operations...