Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call to the midlayer function fcremoteportdelete, which can put the thread to sleep. The thread that originates the call is in interrupt context. The combination of...

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

In the Linux kernel, the following vulnerability has been resolved: spi: hisi-sfc-v3xx: Return IRQNone if no interrupts were detected Return IRQNone from the interrupt handler when no interrupt was detected. This is because an empty interrupt will cause a null pointer error: Unable to handle kern...

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

In the Linux kernel, the following vulnerability has been resolved: dm flakey: fixed an crash caused by an invalid table line. This command will cause a crash when using a NULL pointer dereference: dmsetup create flakey --table "0 blockdev --getsize /dev/ram0 flakey /dev/ram0 0 0 1 2 corruptbioby...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/imxscthermal: The refcount leak in imxscthermalprobe has been fixed. The offindnodebyname function returns a node pointer with a refcount incremented. We should use ofnodeput on it after processing. Add ofnodeput ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vhost-vdpa: fixed the use of memory after it is freed in vhostvdpaprobe. The putdevice function calls vhostvdpareleasedev, which in turn calls idasimpleremove and frees the variable “v”. Therefore, this call to idasimpleremove...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: General protection fault, likely for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8, 6.17, and 7.0 contain AppArmor SAUCE patches that may potentially incorrectly calculate the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. This bug can be triggered by an unprivileged local user, and it can result in invali...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm clone: Fixed a UAF Use-after-Free in clonedtr. - Dmclone also has the same UAF issue when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in clonedtr...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7996 – A possible NULL pointer dereferencing has been fixed in mt7996macwritetxwi80211. For injected frames e.g., via Radiotap, mac80211 can set info-control.vif = NULL, as explicitly stated in the struct...

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

In the Linux kernel, the following vulnerability has been resolved: serial: core: check uartclk for zero to avoid divide by zero Calling ioctl TIOCSSERIAL with an invalid baudbase can result in uartclk being zero, which will cause a divide by zero error in uartgetdivisor. The check for uartclk...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: objtool: A memory leak has been fixed in the createStaticcallsections function. strdup allocates memory for keyname. We need to release this memory in the following error-prone code paths. Add free to avoid the memory leak...

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

In the Linux kernel, the following vulnerability has been resolved: serial: sprd: Fixed the DMA buffer leak issue. Release the DMA buffer when probe returns an error to avoid memory leaks...

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

In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: The ability to repeatedly call sysmembarrier has been reduced. On some systems, sysmembarrier can be very expensive, causing overall slowdown in everything that uses it. Therefore, a lock should be placed on the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed an out-of-bounds write in triegetnextkey The triegetnextkey function allocates a node stack with a size of trie-maxprefixlen. However, it writes trie-maxprefixlen + 1 nodes to the stack when the stack is full, after...

Astra Linux - Vulnerability in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prefer nftchainvalidate nftchainvalidate already performs loop detection because a cycle will result in a call stack overflow ctx-level = NFTJUMPSTACKSIZE. It also processes maps via the -validate callback in...

Astra Linux – Vulnerability in Linux, Linux 5.10

The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling ‘file’ pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vhost: vringh: Fixed the check on the return value of copytoiter. The return value of copytoiter cannot be negative; instead of checking for negative values, we should check whether the copied length is equal to the requested...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: Do not walk off the end of ealist. Add a check before visiting the members of ea to ensure that each ea remains within the ealist...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Do not leak a resource on eviction error. For eviction errors other than -EMULTIHOP, we were leaking a resource. This issue has been fixed. v2: - Avoid using another “goto” statement. Andi Shyti...

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

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoiding soft lockup when using mprotect on a large memory area When calling mprotect on a large hugetlb memory area in our customer’s workload 300GB of hugetlb memory, soft lockup was observed: watchdog: BUG: soft...