Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skb-transportheader is set in bpfskbcheckmtu. The bpfskbcheckmtu helper needs to use skb-transportheader when the BPFMTUCHKSEGS flag is used: bpfskbcheckmtuskb, ifindex, &mtulen, 0, BPFMTUCHKSEGS. The transportheader i...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Ensure a sane device MTU in tunnels Another syzbot report 1 indicates a bug in the ip6gre tunnel device: dev:ip6gretap0. Since the ipv6 mcast code ensures that the dev-mtu is read once and a sanity check is performed on it...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: udpport: avoid using current-nsproxy As mentioned in a previous commit of this series, using the net structure via current is not recommended for various reasons: - Inconsistency: obtaining information from the...

Astra Linux – Vulnerability in Linux, Linux 5.10

The file net/netfilter/nfdupnetdev.c in the Linux kernel versions 5.4 through 5.6.10 allows local users to gain privileges due to a heap-out-of-bounds write. This issue is related to the nftablesoffload mechanism...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel through version 5.18.9. A type confusion bug in nftseteleminit could be exploited by a local attacker to escalate privileges. This is a different vulnerability than CVE-2022-32250. The attacker can obtain root access, but must start with an unprivileged...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed queue reservation for XDP When XDP was configured on a system with a large number of CPUs and X722 NIC, there was a call trace involving a NULL pointer dereference. i40e 0000:87:00.0: Failed to obtain tracking for...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereferencing of the timing generator Why & How Check whether the assigned timing generator is NULL before accessing its functions, to prevent NULL dereferencing...

Astra Linux – Vulnerability in Linux

An out-of-bounds memory access flaw was discovered in the x25bind function in the net/x25/afx25.c file within the Linux kernel version v5.12-rc5. A failure in the bounds check allows a local attacker with a user account on the system to access out-of-bounds memory, resulting in a system crash or...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: iio: accel: fxls8962af: Fixed an issue where fxls8962affifoflush used indiodev-activescanmask without ensuring that indiodev remained in buffer mode. There is a race condition if indiodev exits buffer mode during the interrupt...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Protection against integer overflows for stack access sizes This patch reintroduces protection against access to stack memory having a negative value. The access size can appear negative due to overflow in its signed integer...

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: vsock: Keep the binding until socket destruction Preserve sockets bindings; this includes both resulting from an explicit bind and those implicitly bound through autobind during connect. Prevents socket unbinding during a transpo...

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: bus: fsl-mc: Check the return value of platformgetresource. platformgetresource returns NULL in case of failure. Therefore, check its return value and propagate the error to prevent NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fixed inconsistent refcnt updates. An inconsistent update of the refcount was identified in smb2compoundop. Such inconsistent updates could lead to potential resource leaks. Why this is a potential bug: 1. In the comment...

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: amdgpu: validated offsetinbo of drmamdgpugemva This issue arises due to OOB access in amdgpuvmupdaterange when offsetinbo + mapsize causes an overflow. v2: retained the validations for amdgpuvmbomap v3: added the validations t...

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: mlxsw: spectrumacltcam: Fixed a possible use-after-free during rehash. The rehash process delays the migration of filters from one region to another based on the number of available credits. If the number of credits is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the drivers/input/input.c file within the Linux kernel before version 5.17.10. An attacker can cause a denial of service panic if inputsetcapability mishandles situations where an event code falls outside of a bitmap...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Buffer size aligned upwards. The hardware can support any image size, WxH, with arbitrary W image width and H image height dimensions. The buffer size is aligned upwards for both the encoder and the decoder, whil...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: Fixed a warning regarding dereference of a variable before checking it. The ‘state’ parameter cannot be NULL; we should check crtcstate accordingly. Fixed the warning:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fixed potential memory corruption in childcfsrqonlist. childcfsrqonlist attempts to convert a ‘prev’ pointer to a cfsrq. This ‘prev’ pointer can originate from the struct rqs’s leafcfsrqlist. This conversion is invali...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: leds: mlxreg: Use devmmutexinit for mutex initialization In this driver, LEDs are registered using devmledclassdevregister, so they are automatically unregistered after the module’s remove function is called. The...