Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If the skb allocation fails, the pointer to struct canframe becomes NULL. This issue is actually handled everywhere within ctucanerrinterrupt, except for the only place where it is not...

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

In the Linux kernel, the following vulnerabilities have been resolved: can: bcm: bcmtxsetup: fixed KMSAN uninit-value in vfswrite Syzkaller reported the following issues: ===================================================== BUG: KMSAN: uninit-value in aiorwdone fs/aio.c:1520 inline BUG: KMSAN:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net: gro subsystem, do not merge the zcopy state when copying fragments between the source skb and the GRO skb. The skbgroreceive function currently copies fragments between the source skb and the GRO skb, without checking...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ice: arfs: fixed a use-after-free when freeing @rxcpurmap The CI testing bots triggered the following error message: 718.203054 BUG: KASAN: use-after-free in freeirqcpurmap+0x53/0x80 718.206349 Read of size 4 at addr...

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

In the Linux kernel, the following vulnerability has been resolved: x86/srso: Added SRSO mitigation for Hygon processors. Added mitigation for the speculative return stack overflow vulnerability, which also exists on Hygon processors...

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

In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: A check against a null-pointer-def was added. The driver should check whether the client provides the platformdata. The following log reveals this issue: 29.610324 BUG: KASAN: nullptrderef in kmemdup+0x30/0x40...

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

In the Linux kernel, the following vulnerability has been resolved: iommusvabinddevice should return either a device handle or an ERRPTR value in error cases. Existing drivers idxd and uacce only check the return value using ISERR. This could potentially lead to a NULL pointer dereferencing issue...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The mm/rmap.c file in the Linux kernel before version 5.19.7 contains a use-after-free issue related to the double reuse of the leaf anonvma structure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “fou”: fixed the initialization of “grc”. “grc” must be initialized first. There may be a situation where if “fou” is NULL, “goto out” will be executed, and “grc” will be used in an uninitialized state...

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: smb: client: Do not log plaintext credentials in cifssetcifscreds When debug logging is enabled, cifssetcifscreds logs the key payload and exposes the plaintext username and password. Remove the debug log to avoid exposing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Ensure that the DAID handling is completed before deleting an NPIV instance. Deleting an NPIV instance requires that all fabric ndlps be released before the resources of the NPIV can be destroyed. Failure to release t...

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: fbdev: vt8500lcdfb: fixed the issue where dmafreecoherent was not called when memory was freed. The fbi-fb.screenbuffer is allocated using dmaalloccoherent, but it is not freed if an error path occurs...

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: netsched: hfsc: Fixed a potential UAF in hfscdequeue. Similarly to the previous patch, we also need to properly protect hfscdequeue. However, for this issue, we do not have a reliable way to reproduce the problem...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Cancel the mesh send timer when the hdev is removed The meshsenddone timer is not canceled when the hdev is removed, which can cause a crash if the timer triggers after the hdev is gone. Cancel the timer when...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sctp: Handle the error returned from sctpauthasocinitactivekey. When an error is returned from sctpauthasocinitactivekey, the activekey is not actually updated. The old shkey remains freed while it’s still being used as the activ...

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: uacce: Ensure safe queue release with state management. Directly calling putqueue carries risks, as it cannot guarantee that the resources of uaccequeue have been fully released beforehand. Therefore, adding a stopqueue...

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: 9p/xen: fixed the issue of releasing the IRQ twice. Kernel logs indicate that the IRQ was released twice. The correct device ID must be passed during the IRQ release process. Dominique: removed the confusing variable “reset” to 0...

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: The neighnotify function can be called without RTNL or RCU protection. Use RCU protection to avoid potential Universal Atomic Faults UAF...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: A buffer overflow vulnerability has been addressed in ipv6findtlv. The value of optlen is retrieved without checking whether there are more than one bytes to parse. This can lead to a buffer overflow attack. This issue was...

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: In tomoyowritecontrol, do not emit a warning. syzbot reports a “too-large allocation” warning in tomoyowritecontrol. This occurs when a very long line can be written without a newline character. To fix this warning, I use GFPNOWA...