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: perf: It is now required that CAPSYSADMIN be present for uprobes. Jann reports that uprobes can be used destructively when they are used in the middle of an instruction. The kernel only verifies that there is a valid instruction ...

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

The dotlsgetsockopt function in net/tls/tlsmain.c in the Linux kernel, up to version 6.2.6, lacks a locksock call, resulting in a race condition. This can lead to a use-after-free issue or a NULL pointer dereferencing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4404: Fixed out-of-bounds reading in afe4404read|writeraw. The KASAN report indicates an out-of-bounds read, as follows: BUG: KASAN: Global out-of-bounds in afe4404readraw+0x2ce/0x380. A read of size 4 was perform...

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: scsi: qla4xxx: This issue prevents the possible dereferencing of error pointers. The qla4xxxgetepfwdb function is supposed to return NULL in case of an error. However, qla4xxxepconnect returns error pointers. Passing these error...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi.debug: A sanity check was performed to ensure that the block descriptor length in respmodeselect was valid. BUG: KASAN: A use-after-free condition occurred in respmodeselect+0xa4c/0xb40, located in...

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

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Reinit port-pm on port-specific driver unbind When we unbind a serial port via a hardware-specific 8250 driver, the generic serial8250 driver takes over control of the port. Approximately 10 seconds later, an oops...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate instead of imafreekexecbuffer. The code that calls imafreekexecbuffer is executed long after the memblock allocator has already been removed. This could lead to a use-after-free in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed data races related to sysctlfibmultipathhashfields. When reading sysctlfibmultipathhashfields, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: rds: Do not hold the sock lock when canceling work from rdstcpresetcallbacks. The syzbot is reporting a lockdep warning at rdstcpresetcallbacks 1. The related commit is ac3615e7f3cffe2a “RDS: TCP: Reduce code duplication in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: fec: handle pagepooldevallocpages error The fecenetupdatecbd function calls pagepooldevallocpages, but it does not handle the case where NULL is returned. A WARNON!newpage message is generated, but the program still proceeds...

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/hsr: A NULL pointer dereference was fixed in prpgetuntaggedframe. prpgetuntaggedframe calls pskbcopy to create frame-skbstd, but does not check whether the allocation fails. If pskbcopy returns NULL, skbclone is called with a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: PPC: Fixed the issue with the vcpuload leak in kvmarchvcpuioctl. The vcpuput function is not called if the user copy fails. This can lead to problems such as corruption of the preempt notifier and system crashes...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: List: Fixed a data race around ep-rdllist. The eppoll function first calls epeventsavailable without holding a lock and checks if ep-rdllist is empty using listemptycareful, which reads from rdllist-prev. Therefore, all access...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed the call trace observed during I/O operations with CMF enabled. The following issue was observed with CMF enabled: BUG: Use of smpprocessorid in preemptible code: kernel: Caller is lpfcupdatecmfcmd+0x214/0x42...

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: netsched: skbprio: Removal of overly strict queue assertions. In the current implementation, the skbprio enqueue/dequeue operations contain assertions that fail under certain conditions when SKBPRIO is used as a child qdisc under...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp4: Fixed a refcount leak in mdp4modesetinitintf. In the function ofgraphgetremotenode, the remote device node pointer is returned with the refcount incremented. We should use ofnodeput on it when it is no longer needed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: class: cdc-wdm: Issue with reordering in the read code path has been fixed. Quoting the bug report: Due to compiler optimization or CPU out-of-order execution, the desc-length update may be reordered before the memmove...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fixed the issue ofracy access to the physical CPU number in the diag 9c handler. We currently check if the target CPU equals -1, but this may change at a later time when we will use this functionality. We store th...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Honor the “dormant flag” from the netdev release event path. Check for the “dormant flag” of the table otherwise the netdev release event path attempts to unregister an already unregistered hook...

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: serial: 8250: Fix for panic due to PSLVERR When the PSLVERRRESPEN parameter is set to 1, the device generates an error response if an attempt is made to read an empty RBR Receive Buffer Register while the FIFO is enabled. In...