Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pfcp: The device is destroyed along with the udp socket’s netns structure. The pfcpnewlink function links the device to a specific netns in devnet instead of net, where an udp tunnel socket is created. Even when net is removed, t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: rejecting negative ifindex values Recent changes in net-next commit 759ab1edb56c reorganized the handling of pre-assigned ifindex values. This led to a latent issue in ovs. ovs does not validate ifindex values,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: shaper: Protection is added for late read accesses to the hierarchy. We retrieve a netdev during the preparation of Netlink operations pre-callbacks, and then we acquire a reference to it. Later, within the body of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xdp, net: Fixed a use-after-free in bpfxdplinkrelease. The issue occurs between devgetbyindex and devxdpattachlink. At this point, devxdpuninstall is called. As a result, the xdp link will not be automatically detached when the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: shaper: Protection against late creation of hierarchies. We retrieve the netdev during the preparation of Netlink operations before callbacks. We then take a reference to it. Later, within the body of the callback, we acquir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal-netlink: Prevent userspace segmentation faults by adjusting the UAPI header. The intel-lpmd tool 1, which uses the THERMALGENLATTRCPUCAPABILITY attribute to receive HFI events from the kernel space, encounters a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: eth: alx: takes rtnllock when resuming. Zbynek reports that alx fails an RTNL assertion when resuming. RTNL: The assertion failed at net/core/dev.c 2891. RIP: 0010: netifsetrealnumtxqueues + 0x1ac/0x1c0. Call Trace: alxopen +...

Astra Linux – Vulnerability in OpenVSwitch

A flaw was discovered in Open vSwitch, where multiple versions are vulnerable to crafted Geneve packets, which may lead to a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmpls: Fixed the warning during failed attribute validation The 'TCAMPLSLABEL' attribute is of 'NLAU32' type, but has a validation type of 'NLAVALIDATEFUNCTION'. This is an invalid combination according to the commen...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix out-of-bounds read when setting HMAC data. The SRv6 layer allows defining HMAC data that can later be used to sign IPv6 Segment Routing Headers. This configuration is realized through netlink using four attributes:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tipc: The issue in tipcnlcompatnametabledumpheader regarding the check of the msg-req TLV length was fixed. This is a follow-up to commit 974cb0e3e7c9 “tipc: fixing uninit-value in tipcnlcompatnametabledump", where a type cast fr...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - net: genl: fixed a memory leak in the error path during policy dumping. - If the construction of the policy array fails when recording non-first policies, we need to unwind the process. - The netlinkpolicydumpaddpolicy...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfc: fixed a segfault in nfcgenldumpdevicesdone When kmalloc in nfcgenldumpdevices fails, nfcgenldumpdevicesdone causes a segfault as follows: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 25...

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: netlink: Do not hard code the device address length in fdb dumps. syzbot reports that some netdev devices do not have a six-byte address. Replace ETHALEN with dev-addrlen. 1 In cases where dev-addrlen = 4 BUG: KMSAN:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: Do not perform operations on net devices that are not yet registered. There is a short period between when a net device starts to be unregistered and when it is actually removed from the list of available devices. During...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpgenldumppdp. The gtpnetops pernet operations structure for the subsystem must be registered before registering the generic netlink family. Syzkaller encountered a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfc: fixed a memory leak in the seio context within nfcgenlseio. The callback context for sending/receiving APDUs to/from the selected secure element is allocated within nfcgenlseio and should eventually be freed in the seiocb...

Astra Linux – Vulnerability in Linux 5.10, Linux

A issue was discovered in the Linux kernel before version 6.0.11. Missing offset validation in the drivers/net/wireless/microchip/wilc1000/hif.c file, within the WILC1000 wireless driver, can lead to an out-of-bounds read when parsing a Robust Security Network RSN information element from a Netli...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The flow rule object is released from the commit path. There is no need to delay this process until the commit release path, as no packets traverse this object at all. It is accessed only from the control...