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

In the Linux kernel, the following vulnerability has been resolved: sockmap: Added a condresched function in sockhashfree. Several reports of syzbot soft lockups involve sockhashfree. If a map with a large number of buckets is destroyed, we need to yield the CPU when necessary...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: bcmsf2: Fixed a possible memory leak in bcmsf2mdioregister. The bcmsf2mdioregister function calls ofPhyFindDevice and then phydeviceRemove in a loop to remove existing PHY devices. ofPhyFindDevice eventually calls...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: fixed another kernel-infoleak issue in algorithm dumping. During fuzz testing, the following issue was discovered: BUG: KMSAN: kernel-infoleak in copytoiter+0x598/0x2a30, copytoiter+0x598/0x2a30,...

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: drm/tegra: dsi: Added a check for the return value of offinddevicebynode. Added a check on the return value of offinddevicebynode, and return an error if it fails, in order to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf: Fix event leak upon exit When a task is scheduled out, pending sigtrap deliveries are deferred to the target task upon resume to user space via taskwork. However, failures during the addition of an event’s callback to the...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/restrack: Fixed potential invalid address access issues. The kernname of the struct rdmarestrackentry was set to KBUILDMODNAME in ibcreatecq. If the module exits but forgets to remove this rdmarestrackentry, it could lead...

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

In the Linux kernel, the following vulnerability has been resolved: ila: blocking BH in ilaoutput As explained in commit 1378817486d6 “tipc: blocking BH before using dstcache”, the net/core/dstcache.c helper functions need to be called with blocking BH disabled. ilaoutput is called from...

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: drm/amd/pm: Prevention of division by zero The user can set any speed value. If the speed is greater than UINTMAX/8, a division by zero is possible. Found by the Linux Verification Center linuxtesting.org with SVACE...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix inconsistent per-file compression format EROFS can select compression algorithms on a per-file basis. Each per-file compression algorithm needs to be marked in the on-disk superblock for initialization. However,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftflowoffload: resetting dst in the route object after setting up a flow. The dst field is now transferred to the flow object, and the route object no longer owns it. Resetting dst in the route object is necessary;...

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: ubifs: The function to set the “uptodate” flag of a page should be called at the correct location. Read operations from the page cache are lock-free. Therefore, setting the newly allocated “uptodate” flag before overwriting the...

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

A vulnerability was discovered in vhostnewmsg in drivers/vhost/vhost.c within the Linux kernel. This issue arises due to the improper initialization of memory in messages transmitted between virtual guests and the host operating system, as implemented in the vhostnewmsg function. This vulnerabili...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE The Bind lookup operation is executed under RCU; therefore, ensure that a socket does not disappear during the middle of a lookup operation...

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

A race condition was detected in the Linux kernel’s net/bluetooth code within the sniffmin,maxintervalset function. This can lead to a Bluetooth sniffing exception issue, potentially causing a denial of service...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netlink: added nla be16/32 types to the minlen array BUGs: KMSAN: uninit-value in nlavalidaterangeunsigned, lib/nlattr.c:222 inline BUGs: KMSAN: uninit-value in nlavalidateintrange, lib/nlattr.c:336 inline BUGs: KMSAN:...

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

In the Linux kernel, the following vulnerability has been resolved: TCP: Do not accept ACKs for bytes that we never sent. This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. The validation of ACK sequences currently follows the guidelines outlined in RFC 5961,...

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

In the Linux kernel, the following vulnerability has been resolved: s390/ap: Fixed a crash in the AP internal function modifybitmap A system crash occurred as follows: Failure address: 200000cb7df6f000 TEID: 200000cb7df6f403 Fault occurred in the home space mode while using the kernel ASCE...

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: SCSI: QLA2xxx – Fixed potential NULL pointer dereferencing issues. The Klocwork tool reported that “curdsd” might be dereferenced. A fix has been added to validate the pointer before dereferencing it...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bonding: Do not assume that the skbmacheader is set. Drivers must not assume that skbs have their macheader set. skb-data is all that is needed. bonding seems to be one of the last vulnerabilities detected by syzbot: WARNING:...