Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/omap: dss: Fixed refcount leak issues In dssinitports and dssuninitports, we should call ofnodeput for the reference returned by ofgraphgetportbyid in the fail path or when it is no longer needed...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

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: net/sched: schcake: Fixed incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue...

Astra Linux – Vulnerability in Linux 5.10, Linux

The file drivers/usb/gadget/legacy/inode.c in the Linux kernel, up to version 5.16.8, improperly handles the release of dev-buf...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: xattr: fixed buffer overflow for invalid xattr values. When the xattr size is not as expected, it is printed out to the kernel log in hexadecimal format as a form of debugging. However, when that xattr size is larger than...

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: net/mlx5e: kTLS, Fixed incorrect page reference counting. The kTLS transaction handling code uses a combination of getpage and pagerefinc APIs to increment page references. However, in the release path...

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

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet: lantiqetop – fixed memory disclosure issues. When padding packets, the buffer is not zeroed, resulting in memory disclosure. The affected data is visible on the network. This patch uses skbputpadto to properly...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: A NULL pointer dereference issue was fixed in fbconputcs. syzbot has identified a NULL pointer dereference bug in fbcon. Here is the simplified C code example: c struct param uint8t type; struct tioclselection ts; ; int ma...

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

In the Linux kernel, the following vulnerability has been resolved: sched: schcake: Fixed the logic for accounting bulk flows in order to ensure host fairness. In schcake, we keep track of the number of active bulk flows per host. This is done when running in the dst/src host fairness mode, which...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Always wait for both attempts at firmware loading. In rtwwaitfirmwarecompletion, always wait for both regular and wowlan firmware loading attempts. Otherwise, if rtwusbintfinit fails in rtwusbprobe, rtwusbdisconnect...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed a slab-use-after-free read in setpoweredsync. This fix resolves the following crash: BUG: KASAN: Slab-use-after-free in setpoweredsync+0x3a/0xc0, net/bluetooth/mgmt.c:1353. A read of size 8 at address...

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: RDMA/bnxtre: A bug was fixed while setting up Level-2 PBL pages. Memory corruption is avoided when setting up Level-2 PBL pages for non-MR resources when numpages 256K. There will be a single PDE page address consecutive pages in...

Astra Linux – Vulnerability in Linux

A buffer overflow at the framebuffer layer in the fbcon code within the Linux kernel, prior to version 5.8.15, could be exploited by local attackers to read kernel memory, referred to as CID-6735b4632def...

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

In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939xtprxrtssessionactive – The session is deactivated upon receiving the second RTS packet. Since j1939tprxtimer calls j1939sessiondeactivateactivatenext only when the timer is enabled, we need to call this...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: zynqmp: Fixed a stack-out-of-bounds issue in strncpy. “BUG: KASAN: Stack-out-of-bounds in strncpy+0x30/0x68” The Linux-ATF interface uses 16 bytes of SMC payload. If the clock name is longer than 15 bytes, the string...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, causing a NULL pointer derefrence in hdmihdcp.c and hdmihpd.c. Patchwork:...

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

In the Linux kernel, the following vulnerability has been resolved: media: ov5675: Fixed a memory leak in ov5675initcontrols There is a memory leak when testing the media/i2c/ov5675.c file using bpf mock. Device: AssertionError: Unreferenced object 0xffff888107362160 size 16: comm "python3", pid...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/irdma: Fixed the KASAN issue related to tasklets. KASAN testing revealed the following issue related to the deletion of an IRQ. 50006.466686 Call Trace: 50006.466691 50006.489538 dumpstack+0x5c/0x80 50006.493475...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/fence: Fixed an oops due to incorrect initialization of drmsched before its fini. Currently, amdgpu calls drmschedfini from the fence driver’s fini routine. Such a call is expected to occur only after the respective in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was performing a socket lookup, taking a reference count of the socket. It w...