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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Check for a null return value from ACPIALLOCATEZEROED in acpidbconverttopackage. ACPICA commit number: 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0 The ACPIALLOCATEZEROED function may fail; the elements involved might be NULL...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: replaced BUGON with error handling in updaterefforcow. Instead of using BUGON, simply return an error, log an error message, and abort the transaction if we encounter an extent buffer belonging to the relocation tree th...

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

In the Linux kernel, the following vulnerability has been resolved: nvmet: A possible leak has been fixed when destroying a ctrl during qp establishment. In nvmetsqdestroy, we capture sq-ctrl early. If it is not NULL, we know that a ctrl was allocated during the admin connect request handling. We...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fixed an issue where the CMA heap fault handler made a mistake in calculating the boundary. Until the VMDONTEXPAND flag was added in commit 1c1914d6e8c6 “dma-buf: heaps: Don’t track CMA dma-buf pages under RssFile...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a lockdep issue in in6dumpaddrs According to reports from syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:517...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: The refcount leak in a6xxgpuinit has been fixed. The ofparsephandle function returns a node pointer with the refcount incremented. We should use ofnodeput on this pointer when we no longer need it. The a6xxgmuinit...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fixed potential use-after-free in hisifemacrx The skb object is passed to napigroreceive, which may free it. After calling this function, dereferencing the skb object may trigger a use-after-free...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fixed a percpu memory leak in nftablesaddchain. It seems that the percpu memory issue related to chain statistics began to occur after the commit 3bc158f8d0330f0a “netfilter: nftables: mapping basechain...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/perf: Fixed powerpmudisable to call clearpmiirqpending only if PMI is pending. Running a self-test with CONFIGPPCIRQSOFTMASKDEBUG enabled in the kernel triggered the following warning: 172.851380 ------------ Cut here...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: sm712fb: Fixed a crash in smtcfbwrite When the sm712fb driver writes three bytes to the framebuffer, the driver crashes. The issue is due to an inability to handle a page fault for the address: ffffc90001ffffff. RIP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel before version 5.17.3, fs/iouring.c contains a use-after-free issue due to a race condition related to iouring timeouts. This issue can be triggered by a local user who does not have access to any user namespace. However, the race condition may only be exploited infrequently...

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: dma-debug: fixed a possible deadlock in radixlock. The radixlock function should not be held while holding dmahashentryidx.lock. Otherwise, a deadlock scenario may occur when the dma debug API is called while holding rqlock...

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

In the Linux kernel, the following vulnerability has been resolved: udf: The use of uninit-value in udfgetfileshortad has been fixed. A check for overflow was added when calculating alen in udfcurrentaext, to mitigate potential issues with uninit-value usage in udfgetfileshortad. This is related ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Added parameter validation for packet data. Syzbot reported a bug involving uninitialized values in nciinitreq. This bug was introduced through the commit 5aca7966d2a7 “Merge tag...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: intelth: A resource leak has been fixed in the error handling path. If an error occurs after calling pciallocirqvectors, pcifreeirqvectors must be called, as already done in the remove function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: A potential reference count leak has been fixed in ndiscrouterdiscovery. This issue occurs on specific paths within the function. After the object rt and neigh are successfully acquired, when lifetime is non-zero but the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fixed an issue with the data length underflow in SKB structures. A BUGON will be triggered in the include/linux/skbuff.h file, resulting in intermittent kernel panics when a data length underflow is detected. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fixed a race condition in SNDCTLDSPSYNC There is a small race condition in the sndpcmosssync function, which is called from OSS PCM SNDCTLDSPSYNC ioctl. Specifically, the function calls sndpcmossmakeready first, a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ovl: Use the “buf” flexible array as the destination for memcpy. The “buf” flexible array must be used as the destination for memcpy to avoid false positive run-time warnings caused by the recent FORTIFYSOURCE hardening measures:...