Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: xts – Properly handles the EBUSY status. Since xts only handles the special return value EINPROGRESS, it means that in all other cases, it will free the data related to the request. However, since the caller of xts may...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fixed a use-after-free issue related to KFENCE violations during the sysfs firmware write process. During the sysfs firmware write process, a use-after-free read warning was logged from the lpfcwrobject routine: BUG:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: call disconnect callback before deleting conn In hcicsdisconnect, we do hciconndel even if disconnection failed. ISO, L2CAP and SCO connections refer to the hciconn without hciconnget, so disconncfm must be...

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: HID: asus: fixed UAF through HIDCLAIMEDINPUT validation. After the hidhwstart function is called, hidinputconnect will eventually be called to configure the device with the input layer. This occurs because the HIDCONNECTDEFAULT...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau: fixed a use-after-free in nouveaugemprimeimportsgtable nouveauboinit is backed by ttmboinit and passes its return code to the caller. In case of failures, ttm will call nouveaubodelttm and free the memory. Thus,...

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: PCI: Fixed a use-after-free of slot-bus during hot removal. Dennis reported a boot crash on recent Lenovo laptops with a USB4 dock. Since the commit 0fc70886569c "thunderbolt: Reset USB4 v2 host router" and the commit...

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

In the Linux kernel, the following vulnerability has been resolved: virtio-mmio: Do not break the lifecycle of vmdev. vmdev has a separate lifecycle because it has a struct device embedded within it. Therefore, having a release callback for it is correct. However, allocating the vmdev structure...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

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: net: atm: Added lecmutex. The issue was discovered in net/atm/lec.c, and it was found that there is an error path in lecdattach, which may lead to a dangling pointer in devlec. A mutex was added to protect the usage of devlec...

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: ipc: fixed to protect IPCS lookups using RCU. syzbot reported that it discovered a use-after-free vulnerability. 0 0: https://lore.kernel.org/all/[email protected]/ idrforeach is protected by rwsem, but...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: kernfs: A use-after-free issue has been fixed in kernfsremove. Syzkaller managed to trigger concurrent calls to kernfsremovebynamens for the same file, resulting in a KASAN detected use-after-free. This race condition occurs...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix use after free for wext The key information in wext.connect is not reset upon reconnection, and this can retain data from a previous connection. Resetting the key data prevents drivers or mac80211 from...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac – Fix for use-after-free when rescheduling the brcmfbtcoexinfo worker. The brcmfbtcoexdetach function only shuts down the btcoex timer if the timeron flag is set to false. However, the brcmfbtcoextimerfunc function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fixed a use-after-free bug in smpexecutetasksg When executing an SMP task fails, the smpexecutetasksg function calls deltimer to delete the “slowtask-timer” timer. However, if the timer handler sastaskinternaltimedo...

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: Wifi: rtl818x: Kill URBs before clearing the txstatusqueue In rtl8187stop, the call to usbkillanchoredurbs is moved before clearing the btxstatusqueue. This change prevents callbacks from using already freed skb because the ancho...

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: nfsd: The issue in nfsd4setclientidconfirm where the function does not check the return value from getclientlocked was addressed. In this case, a SETCLIENTIDCONFIRM operation might race with a confirmed client’s expiration, causi...

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: HID: Multitouch: Corrected the reference to the devm device for the hidinput inputdev name. The reference should now point to the HID device, rather than the input device, for the allocation of the inputdev name. Referring to 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: 6lowpan: fixed the use-of-free issue in the NHC entry during the error path. The lowpannhcdouncompression function looks up an NHC descriptor while holding the lowpannhclock lock. If the descriptor does not have a uncompress...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fixed a UAF in runtimersoftirq When dmresume and dmdestroy are executed concurrently, it will lead to a UAF, as follows: Bug: KASAN: Use-after-free in runtimers+0x173/0x710 A 8-byte value is written to the address...

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: fs: udf: Fix for OOB read in lengthAllocDescs handling When parsing the Allocation Extent Descriptor, lengthAllocDescs is derived from disk-based data and must be validated against the block size. Corrupted or crafted images m...