Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xfs: Fixed undersized liclogroundoff values. If the superblock does not list a log stripe unit, we set the incore log roundoff value to 512. This can lead to corrupted logs and unmountable file systems in generic/617 on a disk...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed the deadlock issue in the SCSI I/O completion and abort handling routines. During stress I/O tests with 500+ vports, hard lockup calls were observed. CPU A: - nativequeuedspinlockslowpath+0x192 -...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

The Linux kernel allows user-space processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL, which disables the speculation feature, as well as through the use of seccomp. We noticed that on virtual machines of at least one major cloud provider, the kernel still left the victim...

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

In the Linux kernel, the following vulnerabilities have been resolved: crypto: safexcel – Cleanup of ring IRQ workqueues on load failure A failure to load the safexcel driver results in the following warning upon boot, because the IRQ affinity has not been properly cleaned up. Ensure that we...

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: Failing address: 200000cb7df6f000 TEID: 200000cb7df6f403 Fault occurred in the home space mode while using the kernel ASCE...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mcb: Error handling in mcballocbus has been fixed. There are two bugs: 1 If idasimpleget fails, this code calls putdevicecarrier. However, we have not yet called getdevicecarrier, and this may lead to a use-after-free situatio...

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file via sftp using vsock, the data size is usually 32 kB. In such cases, kmalloc seems to fail when attempting to allocate 32 32 kB regions. vhost-5837...

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 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fixed a use-after-free bug in brcmfnetdevstartxmit ret = brcmfprototxqueuedatadrvr, ifp-ifidx, skb; may be scheduled, and then completed before the line ndev-stats.txbytes += skb-len; 46.912801...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: handle large GSO sizes After the committed code below, TCP sockets and MPTCP subflows can generate egress packets that are larger than 64K. This exceeds the maximum DSS data size; the packet length is misrepresented over t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iio: trigger: sysfs: fix use-after-free on remove Ensure that the irqwork has completed before the trigger is freed. ================================================================== BUG: KASAN: use-after-free in irqworkrunli...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ceph: Avoid putting the realm twice when decoding snaps fails. When decoding snaps fails, it may leave the 'firstrealm' and 'realm' pointers pointing to the same snaprealm memory. Doing so could lead to random use-after-free...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sctp: clear outcurr if all fragment chunks of the current message are pruned. A crash was reported by Zhen Chen: - Listdel corruption: ffffa035ddf01c18-next is NULL. - Warning: CPU: 1; PID: 250682; Location: lib/listdebug.c:49...

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

A flaw was discovered in the IPv4 Resource Reservation Protocol RSVP classifier within the Linux kernel. The xprt pointer may extend beyond the linear portion of the skb structure, resulting in an out-of-bounds read in the rsvpclassify function. This issue could potentially cause a local user to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: compress: fixed to avoid a use-after-free condition on dic. Call trace: memcpy+0x128/0x250 f2fsreadmultipages+0x940/0xf7c f2fsmpagereadpages+0x5a8/0x624 f2fsreadahead+0x5c/0x110 pagecacheraunbounded+0x1b8/0x590...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract the size of xdpframe from the allowed metadata size. The xdpframe structure occupies part of the XDP frame header space, thereby limiting the size of the metadata. However, in bpftestrun, we do not take thi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/smc: A NULL pointer dereferencing issue was addressed in smcpnetfindib. The devname function was called with dev.parent as an argument, but without performing a NULL-check before using it. This issue was resolved by checking...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: linux/dim: Fixed a division by zero error in RDMA DIM. Fixed a division by zero error in rdmadimstatscompare, when prev-cperatio == 0. CallTrace: Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020 Task:...

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...