Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bonding: alb: Fixed UAF in rlbarprecv during bond up/down The ALB RX path may access rxhashtbl concurrently with bond teardown. During rapid bond up/down cycles, rlbdeinitialize frees rxhashtbl while RX handlers are still...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: MIPS: Workaround for LLVM bugs when gp is used as a global register variable. On MIPS, currentthreadinfo is defined as a global register variable located in $gp, and it is simply reassigned during the kernel relocation. However,...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: l2tp: avoided a data race in l2tptunneldelwork We should only access sk-sksocket when dealing with kernel sockets. syzbot reported the following data race: BUG: KCSAN: data race in l2tptunneldelwork / skcommonrelease Task 5365...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: IOMMU: Disable SVA when CONFIGX86 is set The patch series “Fix stale IOTLB entries for kernel address space”, version 7, proposes a fix for a security vulnerability related to IOMMU Shared Virtual Addressing SVA. In an SVA contex...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Fixed a potential underflow in virtiotransportgetcredit. The credit calculation in virtiotransportgetcredit uses unsigned arithmetic: c ret = vvs-peerbufalloc - vvs-txcnt - vvs-peerfwdcnt; If the peer reduces its...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/panel-simple: Fixed the connector type for the DataImage SCF0700C48GGU18 panel. The connector type for the DataImage SCF0700C48GGU18 panel is missing, and devmdrmpanelbridgeadd requires the connector type to be set. This...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: espintcp: A race condition in espintcpclose has been fixed. This issue was discovered during a code audit. After espintcpclose is called, espintcptxwork can still be scheduled using functions like the Delayed ACK handler or...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: KVM: Do not corrupt the irqfd routing entry when deassigning an irqfd When deassigning a KVMIRQFD, do not corrupt the irqfd’s copy of the IRQ routing entry. Doing so would break the kvmarchirqbypassdelproducer function on x86...

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 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: 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 in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Always flush the state and policy upon the NETDEVUNREGISTER event. syzbot reports that the refcount of “struct xfrmstate” is leaking. unregisternetdevice: Waiting for netdevsim0 to become free. Usage count = 2. reftracke...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: macvlan: fixed a possible Use-after-Allocation UAF in macvlanforwardsource. Added RCU protection for the vlan field in struct macvlansourceentry. Whenever macvlanhashdelsource is called, we must clear the entry-vlan pointer befor...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed the “scheduling while atomic” issue in IPsec MAC address queries. A bug involving “scheduling while atomic” was addressed in mlx5eipsecinitmacs, by replacing mlx5querymacaddress with etheraddrcopy to retrieve the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: spi: ch341: fix out-of-bounds memory access in ch341transferone Discovered by Atuin – Automated Vulnerability Discovery Engine. The len variable is calculated as min32, trans-len + 1, which includes the 1-byte command header. Whe...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: e1000: fixed an out-of-bounds error in e1000tbishouldaccept In e1000tbishouldaccept, we read the last byte of the frame via “datalength - 1” to evaluate the TBI workaround. If the descriptor’s reported length is zero or greater...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath11k: The affinity hint was cleared before calling ath11kpcicfreeirq in the error path. If a shared IRQ is used by the driver due to platform limitations, then the IRQ affinity hint is set correctly after the allocation o...