Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

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: vsock/vmci: Properly clear the vmci transport packet when initializing it. In vmcitransportpacketinit, memset is used to clear the vmcitransportpacket before populating the fields, to avoid any uninitialized data remaining in the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: A use-after-free bug has been fixed in dupusercpusptr. Since commit 07ec77a1d4e8 “sched: Allows task CPU affinity to be restricted on asymmetric systems”, the setting and clearing of usercpusptr are performed under...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: phy: marvell: a3700-comphy: Fix out-of-bounds read issue There is an out-of-bounds read access to gbePhyInitfixfixidx.addr during each iteration after fixidx reaches ARRAYSIZEgbePhyInitfix. Ensure that gbePhyInitaddr is used when...

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

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: Fixed a suspicious RCU usage warning I received the following warning while running cthon on an Ontap server running pNFS: 57.202521 ============================= 57.202522 WARNING: Suspicious RCU usage 57.202523...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb – revert the use of devmkzalloc in btusb This change reverts to the behavior described in commit 98921dbd00c4e “Bluetooth: Use devmkzalloc in btusb.c file”. In btusbprobe, we use devmkzalloc to allocate the btusb...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: Fixed a crash that occurred when adding an interface under a latency condition. The commit 15faa1f67ab4 “lan966x: Fixed a crash that occurred when adding an interface under a latency condition” fixed a similar...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fixed NULL pointer dereferencing in acpievaddressspacedispatch. A new check was added to cover missed execution paths...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: cleanup of FB if dpuformatpopulatelayout fails If dpuformatpopulatelayout fails, then the FB is prepared, but not cleaned up. This results in the pincount being leaked from the GEM object, causing a crash during DRM...

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: blk-rq-qos: fixed a crash that occurred during the race between rqqoswait and rqqoswakefunction. We are encountering crashes due to rqqoswakefunction, which manifest as follows: BUG: Unable to handle a page fault for address:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed TCP options overflow. Syzbot reported the following errors: Oops: general protection fault, likely due to a non-canonical address 0xdffffc0000000001: 0000 1 PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range...

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: wl1251 – Fixed a memory leak in wl1251txwork. The skb packet dequeued from txqueue is lost when the wl1251pselpwakeup function fails with an -ETIMEDOUT error. This issue was fixed by re-queuing the skb packet back into...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf: Improved missing SIGTRAP checks To detect missing SIGTRAP checks, we use a WARN in perfeventoverflow. This warning is triggered if pendingsigtrap was already set—meaning the process returns to user space without consuming...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tun: avoided double-free in tunfreenetdev Avoid double-free in tunfreenetdev by moving the dev-tstats and tun-security allocations to a new ndoinit routine tunnetinit, which will be called by registernetdevice. ndoinit is paired...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: batman-adv: fix error handling Syzbot reported an ODEBUG warning in batadvncmeshfree. The problem lay in incorrect error handling in batadvmeshinit. Before this patch, batadvmeshinit would call batadvmeshfree in case any...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: padata: Always keep BHs disabled when running -parallel. A deadlock can occur when an overloaded system runs -parallel in the context of the current task. c padatadoparallel -parallel pcryptaeadenc/dec padatadoserial...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fixed a memory leak in pvrprobe. The error handling code in pvr2hdwcreate forgets to unregister the v4l2 device. When pvr2hdwcreate returns back to pvr2contextcreate, it calls pvr2contextdestroy to destroy the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: ipv4: fixed a issue where deleting routes with a nexthop object triggered a warning. The FRR team encountered a kernel warning1 while deleting routes2. This issue occurred when attempting to delete a route that pointed to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed the issue of adding a block group to the reclaim list and the unused list during reclaiming operations. There is a potential parallel processing for retry operations in btrfsreclaimbgswork, and this process can al...

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

The Linux kernel before version 6.2.9 has a race condition, which can lead to a use-after-free issue in the drivers/net/ethernet/qualcomm/emac/emac.c file. This issue occurs when a physically nearby attacker disconnects an EMAC-based device...