Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm/64: define ARCHPAGETABLESYNCMASK and archsynckernelmappings Define ARCHPAGETABLESYNCMASK and archsynckernelmappings to ensure page tables are properly synchronized when calling pdpopulatekernel. For 5-level paging,...

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

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: dell-smbios-wmi: Fixed an oop in rmmod dellsmbios. The initdellsmbioswmi function only registers the dellsmbioswmidriver on systems where the Dell WMI interface is supported. While the exitdellsmbioswmi function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed the overloading of the meaning of MEMUNINIT Lonial reported an issue with the BPF verifier, where the checkmemsizereg function contains the following code: c if !tnumisconstreg-varoff / For unprivileged variable...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Added handling of TMF in tmrlist. An abort that is responded to by iSCSI itself is added to tmrlist, but it does not go to the target core. A LUNRESET that goes through tmrlist takes a refcounter on the abort...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “block, bfq”: fixed a potential UAF issue for “bfqq-bic” in “bicsetbfqq”. After the commit “64dc8c732f5c” “block, bfq: fix possible UAF for ‘bfqq-bic’”, “bic-bfqq” will be accessed in “bicsetbfqq”. However, in some contexts,...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Support for specifying the srptserviceguid parameter. The current behavior is that setting this parameter while loading the ibsrpt kernel module triggers a kernel crash. Bug: Kernel’s NULL pointer dereferencing, addres...

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a slab-use-after-free in ext4splitextentat. We encountered the following use-after-free issues: BUG: KASAN: slab-use-after-free in ext4splitextentat+0xba8/0xcc0 Read of size 2 at addr ffff88810548ed08 by task...

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: Wifi: mwifiex: Fixed out-of-bounds access to the skb-data buffer during OOB operations and integer underflow when processing RX packets. Ensure that functions such as mwifiexprocessmgmtpacket, mwifiexprocessstarxpacket,...

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

In the Linux kernel, the following vulnerability has been resolved: net: added vlangetprotocolanddepth helper. Previously, skbmaypull was used instead of skbheaderpointer in vlangetprotocol and related functions. Few calls relied on skb-head being populated with the MAC header. syzbot detected on...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Do not leave consecutive consumed OOB skb’s in the recv queue. Jann Horn reported a use-after-free in the unixstreamreadgeneric function. The following sequences reproduce the issue: $ python3 from socket import s1, s2...

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: ath11k: fixed node corruption in the “ar-arvifs” list In the current WLAN recovery code flow, ath11kcorehalt only re initializes the “arvifs” list head. This causes the list node immediately following the list head to becom...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Fix for queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates this assumption...

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

In the Linux kernel, the following vulnerabilities have been resolved: nvme-pci: added a missing condition check to determine the existence of the mapped data. The function nvmemapdata is called when the request contains physical segments; therefore, the function nvmeunmapdata should also have th...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays. The frequency table arrays are supposed to be terminated with an empty element. Add such an entry to the end of the arrays where it is missing, in order to avoid...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use accesswidth instead of bitwidth for system memory accesses To comply with ACPI 6.3+, since bitwidth can be any 8-bit value, it cannot be relied upon to always be at a clean 8-bit boundary. This issue was discovere...