Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Added bpfprogrundatapointers syzbot found that clsbpfclassify can change tcskbcbskb-dropreason, triggering a warning in skskbreasonDrop. WARNING: CPU: 0, PID: 5965, at net/core/skbuff.c:1192 skskbreasonDrop,...

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: i40e: Fixed the MMIO write access to an invalid page in i40eclearhw. When the device sends a specific input, an integer underflow can occur, resulting in MMIO write access to an invalid page. This issue can be prevented by changi...

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: Wifi: ath9k – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

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: x86/iopl: Fixed inconsistencies in TIFIOBITMAP The function iobitmapexit is called from exitthread, when a task exists or when a fork fails. In the latter case, exitthread cleans up resources that were allocated during fork...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel up to 5.15.2, hwatlutilsfwrpcwait in drivers/net/ethernet/aquantia/atlantic/hwatl/hwatlutils.c allows an attacker who can introduce a crafted device to trigger an out-of-bounds write by using a crafted length value...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel up to 5.15.2, mwifiexusbrecv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker who can connect a crafted USB device to cause a denial of service skboverpanic...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability was discovered in the Linux kernel. It has been classified as critical. This issue affects the devlinkparamset/devlinkparamget functions in the net/core/devlink.c file of the IPsec component. The vulnerability allows for exploitation after memory allocation. It is recommended that...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A flaw was discovered in the Linux kernel’s networking code. A use-after-free occurred in the way the schsfb enqueue function utilized the socket buffer SKB cb field after the same SKB had been enqueued and freed into a child qdisc. This flaw allows a local, unprivileged user to cause a system...

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: serial: mxs-auart: add a spinlock around changing the CTS state The uarthandlectschange function in serialcore expects the caller to hold uport-lock. For example, I observed the following kernel error during the loading of the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netlink: prevents potential Spectre v1 exploits Most netlink attributes are parsed and validated via nlavalidateparse or validatenla. c u16 type = nlatypenla; if type == 0 || type maxtype / Error or continue / The @type value is...

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: net: nfc: Fixed a deadlock between nfcunregisterdevice and rfkillfopwrite. A deadlock can occur between nfcunregisterdevice and rfkillfopwrite due to the inverted lock order between devicelock and rfkillglobalmutex. The problemat...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sockmap: Avoid a race condition between sockmapclose and skpsockput. skpsockget will return NULL if the reference count of psock reaches 0, which will occur after the last call to skpsockput is completed. However, skpsockdrop may...

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

In the Linux kernel, the following vulnerability has been resolved: phy: ti: phy-omap-usb2: Fixed NULL pointer dereferencing for SRP. If the external PHY working together with phy-omap-usb2 does not implement sendsrp, we may still attempt to call it. This can occur on an idle Ethernet device that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed the handling of cached open files in the nfsd4open code path. The commit fb70bf124b05 “NFSD: Instantiate a struct file when creating a regular NFSv4 file” added the ability to cache an open file descriptor across...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: Fixed deadlocks that occurred during the removal of kctl elements at disconnection. In sndcarddisconnect, we set the card-shutdown flag at the beginning, called callbacks, and performed synchronization for the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: Fixed possible NULL dereferencing. In the call to mac80211hwsimselecttxlink, the sta pointer might be NULL. Therefore, it is necessary to check that it is not NULL before accessing it...

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: Tunnels: Fixed the crash when generating IPV4 PMTU errors due to KASAN. If we attempt to emit an ICMP error in response to a non-linear SKB, we encounter the following issue: Bug: KASAN: Out-of-bounds access in...

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

In the Linux kernel, the following vulnerabilities have been resolved: xfs: The data fork mapping is resampled after cycling ILOCK. xfsreflinkfillcowhole,delalloc involves an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle ILOCK to obtain a transaction,...

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: mlxsw: spectrummr: Fixed a use-after-free issue when updating multicast route statistics. The cited commit added a dedicated mutex instead of RTNL to protect the multicast route list. This ensures that the list does not change...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “cachefiles”: requests are removed from xarray during flushing of requests. Even when the CACHEFILESDEAD flag is set, we can still read the requests. Therefore, in concurrent scenarios, a request may be accessed after it has been...