Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: hi311x: fix null pointer dereference when resuming from sleep before the interface was enabled. This issue is similar to the vulnerability in the mcp251x driver, which was fixed in commit 03c427147b2d “can: mcp251x: fix resu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed the potential buffer head reference count leak. In the case of jbd2fcwaitbufs, if the buffer is not up-to-date, it will return -EIO without updating journal-jfcoff. However, in jbd2fcreleasebufs, the buffer head will ...

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

In the Linux kernel, the following vulnerabilities have been resolved: arm64: mm: fixed the sanity check for VA-range Both createmappingnoalloc and updatemappingprot perform sanity checks on their ‘virt’ parameter. However, the check itself doesn’t make much sense. The condition used today seems ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: bridge: mst: fix vlan use-after-free The syzbot reported a suspicious RCU usage1 in the mst code of bridge. While fixing this issue, I noticed that nothing prevents vlan information from being freed while walking the list...

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

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fixed the buffer overflow in showrcutasksTracegpkthread. There is a possibility of buffer overflow in showrcutasksTracegpkthread if the counters passed to sprintf are very large. The counter values used for this functi...

Astra Linux – Vulnerability in Zabbix

A authenticated user with API access e.g., a user with the default User role can be added to any group e.g., Zabbix Administrators. Specifically, a user with access to the user.update API endpoint can be added to any group, except for groups that are disabled or have restricted GUI access...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fpga: bridge: Added a module owner field and used its pointer to count the reference count of the module. The current implementation of the fpgabridge assumes that the low-level module registers a driver for the parent device...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: Timer – Setting a lower limit on the start tick time Currently, the ALSA timer does not have a lower limit for the start tick time. It allows a very small size, for example, 1 tick with a resolution of 1 ns for the hrtimer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: binfmtflat: Corruption occurred when data start offsets were not applied. The commit 04d82a6d0881 “binfmtflat: Allow not offsetting data start” introduced a RISC-V-specific variant of the FLAT format. This variant does not alloca...

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

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: The possibility of a Use-after-Free condition arises when selecting an endpoint by using selectendpoint. The functions selectlocaladdress and selectsignaladdress both select an endpoint entry from a list within the...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: use of a stale path after allocation in ext4extinsertextent As Ojaswin mentioned in the link, in ext4extinsertextent, if the path is reallocated during ext4extcreatenewleaf, we will use a stale path, leading to a...

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

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: This issue prevents a Use-after-Free UAF condition in xenvifFlushHash. During the listforeachentryrcu iteration, when calling xenvifFlushHash, kfreercu does not exist within the rcu read critical section...

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

In the Linux kernel, the following vulnerability has been resolved: jbd2: Stop waiting for space when jbd2cleanupjournaltail returns an error. In jbd2logwaitforspace, we may call jbd2cleanupjournaltail to reclaim some journal space. However, if an error occurs during the execution of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7923: Fixed buffer overflow issues for txbuf and ringxfer. The AD7923 was updated to support devices with 8 channels, but the sizes of txbuf and ringxfer were not adjusted accordingly, resulting in a potential buffer...

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

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fixed a suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex, and iptunnelfind is only called from the control path where the mutex is acquired. Added a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: Ensure that ioeventfdsignal delays another RCU period. The function ioeventfddosignal is invoked from an RCU callback. However, when the reference to ioevfd is dropped, it directly calls ioeventfdfree if the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hrtimers: Timers queued after CPUHPAPHRTIMERSDYING are forced to be migrated away from the dying CPU to any online target. This is done to avoid delaying bandwidth timer handling tasks related to CPU hotplug progress. However,...

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

In the Linux kernel, the following vulnerabilities have been resolved: ovl: Fixed a UAF Use-After-Free issue in ovldentryupdatereval by moving the dput function within ovllinkup. The issue arose because the dputupper function was called before ovldentryupdatereval, while upper-dflags was still...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fixed the issue where shmem xarray updates occur during migration. A shmem folio can be either in the page cache or in the swap cache, but not both at the same time. Specifically, once it is in the swap cache,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hisiaccvfiopci: fixed the XQE DMA address error. The DMA addresses of EQE and AEQE are incorrect after migration, resulting in failures in the guest kernel-mode encryption services. By comparing the definitions of hardware...