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: posix-cpu-timers: A race condition between handleposixcputimers and posixcputimerdel has been fixed. If a task that exits without autoreaping has already called exitnotify and calls handleposixcputimers from the IRQ, it can be...

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: PM: runtime: Fixed a race condition related to device removal The following code in pmruntimework may cause dereferencing of the dev-parent pointer after the parent device has been freed: c / Maybe the parent is now able to...

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

In the Linux kernel, the following vulnerability has been resolved: Closures: Change BUGON to WARNON If a BUGON function is actually executed, it shouldn’t be considered a real BUG. For reference, this issue has occurred once during the continuous integration process. We will need more informatio...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetpipapo: Do not allow bad clones to leak into subsequent transactions. When memory allocation fails, the cloned nftpipapomatch structure may enter a corrupted state: - Some fields’ lookup tables may be resized,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: MIPS: DEC: Prevent the initial console buffer from being placed in the XKPHYS segment In 64-bit configurations, if the initial console output handler is called from a kernel thread other than the initial one, it will result in th...

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

In the Linux kernel, the following vulnerabilities have been resolved: md: raid1: fixed a potential out-of-bounds error in raid1removedisk. If rddev-raiddisk is greater than mddev-raiddisks, an out-of-bounds error will occur in raid1removedisk. We have already encountered similar reports, as...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed possible resource leaks in mpt3sastransportportadd. In mpt3sastransportportadd, if sasrphyadd returns an error, sasrphyfree must be called to free the resources allocated in sasenddevicealloc. Otherwise, a...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: prefer nftchainvalidate nftchainvalidate already performs loop detection, as a cycle in the process could lead to a call stack overflow ctx-level = NFTJUMPSTACKSIZE. It also iterates through the maps via t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumipip: A memory leak was fixed when changing the remote IPv6 address. The device stores IPv6 addresses that are used for encapsulation in linear memory, which is managed by the driver. Changing the remote address of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: igb: Do not free qvector unless a new one was allocated. Avoid potential use-after-free conditions under memory pressure. If kzalloc fails, qvector will be freed, but it will remain in the original adapter-qvectorvidx array...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: qlogic/qede: fixed a potential out-of-bounds read in qedetpacont and qedetpaend. The loops in ‘qedetpacont’ and ‘qedetpaend’ iterate over ‘cqe-lenlist’ using only a zero-length terminator as the stopping condition. If the...

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: HID: hid-pl: handling probe errors Errors in the init process must be reported back; otherwise, we will follow a NULL pointer the first time FF is used...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mm: Fix unexpected zeroed page mapping with zram swap In cases where two processes are cloning under CLONEVM, a user process may be corrupted when zeroed pages are unexpectedly displayed. CPU A | CPU B --- | --- doswappage |...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: Handle failure to register sensor with thermal zone correctly If an attempt is made to a sensor with a thermal zone and it fails, the call to devmthermalzoneofsensorregister may return -ENODEV. This may result in crashes...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Make sure to refresh masterdev/mops in rtnlnewlink. While looking at one unrelated syzbot bug, I found that the replay logic in rtnlnewlink could potentially trigger a use-after-free condition. It’s better to clear...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mesh: Fix leak of meshpreqqueue objects The hwmp code use objects of type meshpreqqueue, added to a list in ieee80211ifmesh, to keep track of mpath we need to resolve. If the mpath gets deleted, ex mesh interface ...

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: netfilter: nflog: The validation of the MAC header was performed before dumping it. The fallback path of dumpmacheader only guards access to the MAC header when “skb-macheader != skb-networkheader”, without checking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cifs: A use-after-free bug has been fixed in refreshcacheworker. The UAF bug occurred because we were putting DFS root sessions into cifsumount while the DFS cache refresher was executing. We have ensured that DFS root session...

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: netfilter: In the xtables function, there are walkers that attempt to read the last byte of options. When the last byte is a non-single-byte option type, these walkers may read opi + 1 beyond the end of the option area. A explici...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: Instead of returning -EAGAIN, -ENOMEM is returned if there is not enough headroom. Since the upstream commit e75665dd0968 “wifi: wlcore: ensure skb headroom before skbpush”, wl1271txallocate and wl1271preparetxframe...