Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the rlimit settings for posix cpu timers. posix cpu timers require an additional step beyond simply setting rlimit. The code should be refactored so it’s clear which code is setting the limits, and the posix cp...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939xtprxrtssessionactive – The session is deactivated upon receiving the second RTS packet. Since j1939tprxtimer calls j1939sessiondeactivateactivatenext only when the timer is enabled, we need to call this...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: migrate: corrected lock ordering for hugetlb file folio operations Syzbot has identified a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then attempts to acquire immaprwsem read lock. 2 Task 5754: Holds...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Fixed a potential memory leak in scsibackremove. The memory allocated for the struct vscsiblkinfo structure in scsibackprobe is not freed in scsibackRemove, resulting in potential memory leaks during the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed an issue to avoid overflow during left shift operations. The type of folio-index should be changed from pgofft to lofft to prevent overflow during left shift operations...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: hci: shdlc: Stop timers and perform cleanup before freeing the context. The llcshdlcdeinit function cleans up SHDLC skb queues and frees the llcshdlc structure. During this process, timer functions and the state machine may...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fixed a race condition between rfkill and nciunregisterdevice. syzbot reported the issue below 0 without providing a reproduction guide. It was noted that the struct ncidev.cmdwq was destroyed before nciclosedevice was...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: cx88: Add the missing unmap in sndcx88hwparams In the error path, add cx88alsadmaunmap to release the resource acquired by cx88alsa DMAmap...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: stm32: dmamux: fix device leak on route allocation Make sure to release the reference taken when looking up the DMA mux platform device during route allocation...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gue: Fixed a skb memory leak associated with the inner IP protocol 0. The syzbot reported a skb memory leak below. The repro process generated a GUE packet with its inner protocol set to 0. The function gueudprecv returns...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: libertas – fixed a warning in the usbtxblock function. The function usbtxblock submits cardp-txurb without ensuring that any previous transmissions on this URB have been completed. If a second call occurs while the URB is...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rnbd-srv: Zero the rsp buffer before using it. Before using the data buffer to send back the response message, completely zero it. This prevents any stray bytes from being picked up by the client side when messages are exchanged...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: AppArmor: A memory leak was fixed in the verifyheader function. The function sets ns = NULL on every call, causing a memory leak for the namespace string allocated in previous iterations when multiple profiles are unpacked. This...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: Check actuallength before accessing the data. The URB received in gsusbreceivebulkcallback contains a struct gshostframe. The length of the data after the header depends on the gshostframe...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is being detached, the fstcardinfo is deallocated in fstremoveone. However, the fsttxtask or fstinttask may still be running ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skips the dev-iotlb flush for inaccessible PCIe devices without scalable mode. PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can cause a system hard lock when their link fails, eithe...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: perf/arm-cmn: Rejects unsupported hardware configurations. So far, we have been fairly lenient in accepting both unknown CMN models at least with a warning, as well as unknown revisions of those models that we do know about...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: A stack-out-of-bounds write occurred in devmap. The getupperifindexes function iterates over all upper devices and writes their indices into an array without checking bounds. As a result, callers may assume that the maximum...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv4: route: Prevent rtbindexception from rebinding stale fnhe The packet transmission path of the sit driver calls sittunnelxmit - updateorcreatefnhe. This leads to fnheremoveoldest being called to delete entries that exceed...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a reference count leak when an invalid session is found during session lookup. When a session is found, but its state is not SMB2SESSIONVALID, it indicates that no valid session was found. However, the reference coun...