Astra Linux - уязвимость в linux, linux-5.10

A vulnerability, classified as critical, has been discovered in the Linux kernel. The affected component is the deltimer function in the file drivers/isdn/mISDN/l1oipcore.c of the Bluetooth module. This vulnerability allows for manipulation leading to memory deallocation after it has been freed. ...

Astra Linux - уязвимость в linux-5.10, linux

A flaw was discovered in the Linux kernel’s implementation of proxied virtualized TPM devices. In a system where virtualized TPM devices are enabled which is not the default setting, a local attacker can exploit this flaw to create a “use-after-free” condition, potentially allowing them to escala...

Astra Linux - уязвимость в linux, linux-5.10

A flaw was discovered in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability...

Astra Linux - уязвимость в linux, linux-5.10

A use-after-free flaw was discovered in fs/ext4/namei.c:dxinsertblock, within the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with user privileges to cause a denial of service...

Astra Linux - уязвимость в linux, linux-5.10

A use-after-free flaw was discovered in the Linux kernel’s Bluetooth subsystem. In this flaw, users can simultaneously call the connect and disconnect functions on the socket, leading to a race condition. This flaw may cause the system to crash or allow an escalation of privileges. The most...

Astra Linux - уязвимость в linux, linux-5.10

A flaw was discovered in the s390 eBPF JIT mechanism within bpfjitinsn in the arch/s390/net/bpfjitcomp.c file of the Linux kernel. In this flaw, a local attacker with special user privileges can bypass the verifier, potentially leading to confidentiality issues...

Astra Linux - уязвимость в linux

In the Linux kernel, from drivers/staging/rtl8188eu/osdep/ioctllinux.c, the function rtwwxsetscan allows writing beyond the end of the -ssid array. NOTE: From the perspective of kernel.org’s release processes, CVE IDs are not typically used for drivers/staging/ unfinished work. However, system...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: The WARNON message in tracingbuffersmmapclose has been fixed. When a process forks, the child process copies the parent’s virtual memory addresses, but the reference count of usermapped is not incremented. As a result,...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4403: Fixed an out-of-bounds read in afe4403readraw The KASAN report indicates an out-of-bounds read, as follows: BUG: KASAN: Global-out-of-bounds in afe4403readraw+0x42e/0x4c0 A read of size 4 was performed at th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: bcmvk: Fixed possible null-pointer dereferencies in bcmvkread. In the function bcmvkread, the pointer entry is checked, indicating that it can be NULL. If the entry is NULL and rc is set to -EMSGSIZE, the following code may...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: ti: icssg-prueth: Fix missing data copying and incorrect recycling in ZC RX dispatch. emacdispatchskbzc allocates a new skb using napiallocskb, but never copies the packet data from the XDP buffer into it. The skb is pass...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: bnge: Return after auxiliarydeviceuninit in the error path. When auxiliarydeviceadd fails, the error handling code calls auxiliarydeviceuninit, but it does not return. auxiliarydeviceuninit drops the last reference to the device...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: igb: Cleanup in all error paths when enabling SR-IOV After commit 50f303496d92 “igb: Enabling SR-IOV after reinit”, removing the igb module could cause a hang or crash depending on the machine when the module was loaded with t...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: arm64: Fixed a no-op check in setaccessflags, which could lead to errors when detecting SMMU/ATS faults. The function contpteptepsetaccessflags compared the gathered value from ptepget with the requested state to detect no-ops...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag, fix failure to cancel delayed bond work The commit 0d4e8ed139d8 “net/mlx5: Lag, avoid lockdep warnings” accidentally removed a call to cancel delayed bond work. This may cause queued delays to expire and affect wor...

kernel: Linux kernel: Denial of service and memory corruption in RDMA umad

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA umad User Mode Access Device component. A local user can exploit this vulnerability by manipulating input, causing an integer underflow that leads to an out-of-bounds memory write. This memory corruption can result in a denia...

kernel: Read root-owned files as an unprivileged user

A vulnerability was found in the Linux kernel that allows an unprivileged local user to read sensitive files normally restricted to the root user. The flaw occurs during process exit, where a brief window allows an attacker to intercept file access from a privileged process before it fully...

kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A local attacker with privileges on the host system could exploit a vulnerability in how KVM handles shadow page table entries SPTEs during memory-mapped I/O MMIO operations. By manipulating guest page table entrie...

kernel: Linux kernel: RDMA/rxe use-after-free vulnerability leading to potential arbitrary code execution

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA subsystem, specifically within the rxe component. This use-after-free vulnerability occurs in the rxecreatecq function. When the rxecqfrominit function fails, the subsequent call to rxecleanup attempts to free memory resource...

kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's XFRM ESP-in-TCP subsystem. Unsafe in-place cryptographic processing allows a low-privileged local attacker to write arbitrary bytes into the page cache of read-only files, including sensitive system files. An attacker can exploit this to overwrite privileged...