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

A use-after-free flaw was discovered in the Linux kernel due to a race condition in the unix garbage collector’s deletion of SKB races involving the unixstreamread generic function on the socket onto which the SKB is queued...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Some memory leaks have been fixed in the error handling code for logreplay. All error handling paths lead to the out variable, where many resources are freed. Do the same here instead of using a direct return. Otherwise...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Do not queue data on closed subflows. Dipanjan reported a critical bug fix at the last minute: WARNING: CPU: 1 PID: 10818 at net/ipv4/afinet.c:153 inetsockdestruct+0x6d0/0x8e0 net/ipv4/afinet.c:153 Linked modules:...

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: WireGuard: netlink: Check for dangling peers via isdead instead of an empty list If all peers are removed using wgpeerremoveall, rather than setting peerlist to empty, the peer is added to a temporary list at the beginning of...

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

In the Linux kernel, the following vulnerabilities have been resolved: usb: cdns3: Fixed a memory double-free issue when handling zero-length packets. 829: If request-complete, then: 830 spinunlock&privdev-lock; 831 usbgadgetgivebackrequest&privep-endpoint, 832 request; 833 spinlock&privdev-lock;...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: igc: Fixed kernel panic during ndotxtimeout callback The Xeon validation group has conducted some load tests with various hardware configurations. They observed that transmit queue timeouts occurred during these tests. This cause...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevents potential Spectre v1 exploits. It seems that cmd could be a Spectre v1 exploit, as it is provided by a user and used as an array index. This vulnerability prevents the contents of kernel memory from being leake...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent panic when SDMA is disabled. If the hfi1 module is loaded with HFI1CAPSDMA disabled, a call to hfi1writeiter will dereference a NULL pointer, resulting in a panic. A typical stack frame is as follows:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: EDAC/i10nm: fixed the refcount leak in pcigetdevwrapper. As stated in the comment for pcigetdomainbusandslot, it returns a PCI device with the refcount incremented. Therefore, there is no need to call an additional pcidevget in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: it66121 – Fixed invalid connector dereference. Fixed the issue of NULL pointer dereference when no monitor is connected, and when the sound card is opened from userspace. Instead, an empty buffer containing zeros is...

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

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: A potential out-of-bounds exception has been prevented in sctptransportupdaterto. SYZBOOT reported a potential out-of-bounds exception 1. The responsible developer added rtoalphamax and set rtobetamax to 1000. It is...

Astra Linux – Vulnerability in Linux, Linux 5.10, Intel-Microcode

Incomplete cleanup in certain special register write operations for some Intel processors may allow an authenticated user to potentially enable information disclosure through local access...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential use-after-free issue has been addressed in nilfsgccachesubmitreaddata. In nilfsgccachesubmitreaddata, the function brelsebh is called to decrement the reference count of bh when the call to nilfsdattranslate...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwlpcieirqrxmsixhandler rxq can only be NULL when transpcie-rxq is NULL and entry-entry is zero. In cases where entry-entry is not equal to 0, rxq will not be NULL, even if...

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

A double-free memory flaw was discovered in the Linux kernel. The Intel GVT-g graphics driver triggers a system resource overload for the VGA card, resulting in a failure in the intelgvtdmamapguestpage function. This issue could allow a local user to crash the system...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A use-after-free vulnerability in the Linux kernel’s netfilter:nftables component can be exploited to achieve local privilege escalation. When nftablesdelrule is flushing table rules, it does not check whether the chain is bound, and the owner rule of the chain may also release objects under...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In loopsetstatusfrominfo, the checks for lo-looffset and lo-losizelimit should be performed before reassigning them. This is because if an overflow error occurs, the original correct value will be changed to the wrong value, and ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/9p: A potential socket leak has been fixed in p9socketopen. Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, both p9fdcreatetcp and p9fdcreateunix will return an error directly...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: rcu-tasks: Fixed a race condition in the schedule function and the flush work operation. When booting secondary CPUs, cpusreadlock/unlock does not keep the online cpumask stable. This temporary change in the online mask result...