Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: multi-gen LRU: fix crash during cgroup migration The lrugenmigratemm function assumes that lrugenaddmm runs before it. This assumption is not true in the following scenario: CPU 1 CPU 2 clone cgroupcanfork cgroupprocswrite...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: Fixed rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enabled threaded busypoll, bpftrace hung during startup. The output from dmesg was as follows: rcutaskswaitgp: rcutasks grace...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: We can avoid a panic if the extenttree is not created. This patch prevents the following panics: pc: lookupextenttree+0xd8/0x760 lr: f2fsdowritedatapage+0x104/0x87c sp: ffffffc010cbb3c0 x29: ffffffc010cbb3e0 x28:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ata: patamacio: Fix DMA table overflow Kolbjorn and Jonáš reported that their 32-bit PowerMacs were crashing in pata-macio since commit 09fe2bfa6b83 “ata: patamacio: Fix DMA table overflow when PAGESIZE == 64K”. For example: -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Makes bpfrefcountacquire failable for non-owning references This patch fixes an incorrect assumption made in the original bpfrefcount series 0. Specifically, it assumes that the BPF program calling bpfrefcountacquire on a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cachefiles: corrected the incorrect dentry reference count in cachefilescull. The patch mentioned below changed cachefilesburyobject to expect two references to the ‘rep’ dentry. Three of the caller functions were changed to use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: block/rqqos: Protect the rqqos API with a new lock. The commit number is 50e34d78815e “block: disable the elevator int delgendisk”. The function rqqosexit was moved from diskrelease to delgendisk. This may introduce some issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix memory leaks in nexthop notification chain listeners syzkaller discovered memory leaks 1 that can be reduced to the following commands: ip nexthop add id 1 blackhole devlink dev reload pci/0000:06:00.0 As part of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: crypto: aead – Fixed handling of reqsize The commit afddce13ce81d “crypto: api – Added reqsize to cryptoalg” introduced the crareqsize field in the cryptoalg struct to replace the type-specific reqsize fields. It seems this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Avoid use-after-free on suspend/resume In virtblkinithctx, hctx-userdata is set to vq. However, vq is freed during suspension and reallocated during resume. As a result, hctx-userdata becomes invalid after resume,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: fix filter idr initialization The referenced commit moved the idr initialization too early in flchange, which allows concurrent users to access the filter that is still being initialized and is in an inconsiste...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: Space is now reserved for null terminators in propertyEntry. The lists of struct propertyEntry are supposed to be terminated with an empty property. Currently, this driver seems to allocating exactly the amount of spa...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinctrl: thunderbay: fixed a possible memory leak in thunderbaybuildfunctions The thunderbayaddfunctions function will free memory associated with thunderbayfuncs when everything is correct. However, thunderbayfuncs will not be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: added atomiccheck to bridge ops In the DRM committails function, if both conditions for disabling the downstream crtc/encoder/bridge are required, and crtc-active is set before pushing a new frame downstream, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: mmp: pxa1908-apbcp: Fixed the issue where NULL was compared with ISERR. The devmkzalloc function does not return error pointers; it returns NULL in case of an error. Update the check to match this behavior...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fixed handling of PTE markers in hugetlbchangeprotection The patch series “mm/hugetlb: uffd-wp fixes for hugetlbchangeprotection”. While testing virtio-mem and background snapshots using uffd-wp on hugetlb in QEMU, I...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a combination of JIT blinding and pointers to bpf subprogs. The combination of JIT blinding and pointers to bpf subprogs causes the following issue: 36.989548 BUG: Unable to handle a page fault for address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm: adreno: Fixed the issue where ifpcreglist was referenced even though it wasn’t declared. On platforms with an A7xx GPU that does not support IFPC, ifpcreglist is still referenced in a6xxpatchpwrupreglist, which causes...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipc: mqueue: fixed a possible memory leak in initmqueuefs The commit details are as follows: db7cfc380900 "ipc: Free mqsysctls if ipc namespace creation failed" This is a similar memory leak to the one fixed by the above patch. A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - riscv: ftrace: Fixed a panic caused by preemption being disabled. In RISCV, we need to use an AUIPC + JALR pair to encode an immediate jump, creating a jump to an address beyond 4K. This may cause errors if we want to enable...