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

In the Linux kernel, the following vulnerability has been resolved: crypto: xilinx – call finalize with bh disabled When calling cryptofinalizerequest, the error code BH should be disabled to avoid triggering the following calltrace: ------------- Cut here -------------- WARNING: CPU: 2 PID: 74 a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fixed the reference count leak in pchrequestdma. According to the comments on pcigetslot, it returns a pcidevice with its reference count increased. The caller must decrement the reference count by calling pcidevput...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: Fixed a race condition when enabling fast-xmit. fast-xmit must only be enabled after the station has been uploaded to the driver. Otherwise, it might pass the yet-to-be-uploaded station through drvtx calls to the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: wd33c93: Do not use an outdated SCSI pointer value. A regression was introduced with the commit dbb2da557a6a “scsi: wd33c93: Move the SCSI pointer to private command data”, which resulted in a buffer overflow error in...

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

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: gl861: Fix nullptrderef in gl861i2cmasterxfer In gl861i2cmasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Malicious dat...

Astra Linux – Vulnerability in WebKit2GTK

A vulnerability related to out-of-bounds reads has been addressed through improved input validation. This issue is fixed in Safari 18.6, iOS 18.6, iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, and watchOS 11.6. Processing maliciously crafted web content may disclose internal states of...

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: geneve: Do not assume that the MAC header is set in genevexmitskb. We should not assume that the MAC header is present in the output path. Instead, use skbethhdr instead of ethhdr to fix this issue. sysbot reported the...

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

In the Linux kernel, the following vulnerability has been resolved: tipc: Force a dst refcount before doing decryption As stated in commit 3bc07321ccc2 “xfrm: Force a dst refcount before entering the xfrm type handlers”: “Crypto requests might return asynchronously. In this case, we leave the rcu...

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: irqchip/gic-v2m: Prevention of use after freeing gicv2mgetfwnode. With ACPI enabled, gicv2mgetfwnode is registered with the PCI subsystem as pcimsigetfwnodecb, and this function might be called during a PCI host bridge probe...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: remoteproc: core: Cleanup acquired resources when rprochandleresources fails in rprocattach When rproc-state = RPROCDETACHED and rprocattach is used to attach to the remote processor, if rprochandleresources returns an error, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RISCV: Stacktrace: Disabling KASAN checks for non-current tasks. When unwinding the stack of a task other than the current one, KASAN will report “BUG: KASAN: out-of-bounds access in walkstackframe+0x41c/0x460”. This same issue...

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: nfsd: Ensure that exp remains active before calling svcexportshow. The function eshow was called with protection from RCU. This only ensures that exp will not be freed. As a result, the reference count of exp can drop to zero,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: enetc: The illegal access issue when reading the affinityhint parameter has been fixed. The irqsetaffinityhit function stores a reference to the cpumaskt parameter in the irqdescriptor. This reference can be accessed later from...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Reserving space for inline xattr before attaching the reflink tree. One of our customers reported a crash and a corrupted ocfs2 filesystem. The crash was due to the detection of corruption. Upon troubleshooting, the fsck -...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: selinux: Avoid dereferencing garbage after a mount failure. In the case where kernmount fails and returns an error pointer in the error branch, rather than continuing and dereferencing the error pointer. Also, remove the “never...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fixed the crash that occurred when using WRITESAME without a data buffer. In the newer versions of the SBC specifications, there’s a NDOB bit that indicates that there is no data buffer being written. If this bit is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented possible UAF in ip6xmit If skbexpandhead returns NULL, the skb has been freed, and the associated dst/idev may also have been freed. We must use rcureadlock to prevent possible UAF...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the warning from kernelwriteiter 2110.972290 ------------ Cut here ------------ 2110.972301 WARNING: CPU: 3 PID: 735 at fs/readwrite.c:599 kernelwriteiter+0x21b/0x280 This patch does not allow writing to directories...

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

In the Linux kernel, the following vulnerabilities have been resolved: wifi: mwifiex: Do not return unused priv pointers in mwifiexgetprivbyid. mwifiexgetprivbyid returns the priv pointer corresponding to bssnum and bsstype, but without checking whether the priv is actually in use. Unused priv...

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: hvnetvsc: Fixed a panic that occurred during namespace deletion with VF. The existing code moves the VF NIC to a new namespace when NETDEVREGISTER is received on the netvsc NIC. During the deletion of the namespace,...