Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Do not call scsiremovehost in pm8001alloc Calling scsiremovehost before scsiaddhost results in a crash. Bug: Kernel NULL pointer dereferencing; address: 0000000000000108 RIP: 0010: devicedel+0x63/0x440 Call trace: 1...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken every time it was used, but it was only released once, when the final reference to the tty struct was removed. This issue was fixed by taking t...

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...