Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nouveau/dmem: Handling of allocation failures by kcalloc In nouveaudmemevictchunk, if the physical memory runs out, kcalloc will return null. As a result, if we dereference srcpfns, dstpfns, or dmaaddrs, null pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relid. relid2channel assumes that the vmbus channel array is already allocated when it is called. However, in situations like kdump/kexec, not all relids will be rese...

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: mm: vmscan: accounts for free pages to prevent infinite loops in throttledirectreclaim. The task sometimes continues looping in throttledirectreclaim because allowdirectreclaimpgdat keeps returning false. The stack trace is as...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: spufs: Fixing gang directory lifetimes Prior to “POWERPC spufs: Fix gang destroy leaks”, we had a problem with gang lifetimes. When a gang was created, the gang directory would be returned, and this directory would normally be...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cfg80211: Calling cfg80211stopap when switching from P2PGO type If the user-space tools switch from NL80211IFTYPEP2PGO to NL80211IFTYPEADHOC via sendmsgNL80211CMDSETINTERFACE, it does not call the cleanup function cfg80211stopap...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mt76: fixed the crash in monitor mode with the sdio driver. The mt7921s driver may receive frames with fragment buffers. If a CTS packet is received in monitor mode, the payload is only 10 bytes, and 6 bytes of header padding ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: A potential memory leak has been fixed in ext4fcrecordregions. Since krealloc may return NULL, in this case, state-fcregions may not be freed by krealloc. However, state-fcregions is already set to NULL. This could lead to ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rcu: Avoid stack overflow due to rcuirqenterchecktick being kprobed. Registering a kprobe for rcuirqenterchecktick can cause a kernel stack overflow, as shown below. This issue can be reproduced by enabling CONFIGNOHZFULL and...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: MIPS: smp: fill in sibling and core maps earlier After enabling CONFIGSCHEDCORE landed during 5.14 cycle, 2-core 2-thread-per-core interAptiv CPS-driven started emitting the following messages: 0.025698 CPU1 revision is:...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Changed the nlapolicy for bearer-related names to NLANULSTRING. The syzbot reported the following uninit-value access issues 1: ===================================================== BUG: KMSAN: uninit-value in strlen in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘wireguard: device: enable threaded NAPI’” This resolution involves commit 933466fc50a8e4eb167acbd0d8ec96a078462e9c, which is a commit from upstream. We received three independent reports from production users who were...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix for accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This value is stored in irqdesc-affinityhint, but once...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fixed corruption of the shrinker list caused by the madvise IOCTL. Calling the madvise IOCTL twice on BO causes corruption of the memory shrinker list, leading to a kernel crash. This occurs because BO is already on...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A infinite loop has been fixed in nilfsmdtgetblock. If the disk image that nilfs2 mounts is corrupted, and the virtual block address obtained through block lookup for a metadata file is invalid, nilfsbmaplookupatlevel may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Use deltimersync instead of deltimer in the fw reset flow of the halting poll. Replace deltimer with deltimersync in the fw reset polling activation flow. This prevents a race condition that occurs when deltimer is call...

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

In the Linux kernel, the following vulnerability has been resolved: um: vector: Fixed a memory leak in vectorconfig. If the return value of the umlparsevectorifspec function is NULL, we should call kfreeparams to prevent the memory leak...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KEYS: prevented NULL pointer dereference in findasymmetrickey. In findasymmetrickey, if all NULL values are passed as arguments to id0,1,2, the kernel will first emit a WARN message, but then there will be an oops because id2 wil...

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: usb: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

Astra Linux – Vulnerability in Linux

A race condition in Linux kernel SCTP sockets net/sctp/socket.c before version 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If the sctpdestroysock function is called without using the socknetsk-sctp.addrwqlock lock, an element...

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: usb: typec: fix potential array underflow in ucsiccgsynccontrol The “command” variable can be controlled by the user via debugfs. The concern is that if conindex is zero, then “&uc-ucsi-connectorconindex - 1” would result in an...