Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fixed the null-ptr-deref issue in hugetlbfsParseParam Syzkaller reported a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN regarding null pointer dereferencing: BUG: KASAN: nullptrderef in strcmp+0x2e/0x50 A read of size 1 was performed at address...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Security issue: Restrict CONFIGZEROCALLUSEDREGS to gcc or clang version 15.0.6. A bug in clang’s implementation of -fzero-call-used-regs can lead to NULL pointer dereferencing see the links above the check for more information...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Fixed a potential nullptrdereference issue in vxlangropreparereceive. In the case of udptunnelsockrelease, it was possible for sk-skuserdata to be set to NULL while vxlangropreparereceive was still running. Let’s check...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: microchip: sparx5: Fixed a potential null-ptr-deref in sparxstatsinit and sparx5start. sparxstatsinit calls createsinglethreadworkqueue, without checking the return value; this may result in NULL being returned. A...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: A NULL check should be added for the idev pointer in ipv6hopioam. Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Since...

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: HID: alps: Fix NULL pointer dereference in alpsrawevent The commit ecfa6f34492c attempts to fix the HID drivers that had missed the previous fix made in 2ff5baa9b527 „HID: appleir: Fix potential NULL dereference at raw event...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: cnl: Do not process IPC reply before firmware boot. It is not yet clear, but it is possible to create a firmware that is so broken that it will send a reply message before a FWREADY message is received it is not...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: Initialize IRQ data before requesting IRQs. The function dwedmairqrequest passes the struct dwedmairq structure to requestirq, before dwedmachannelsetup fills the back pointer. As a result, a shared interrupt...

Astra Linux – Vulnerability in netcdf

A issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxmlinternaldtd, when parsing a crafted XML file, performs incorrect memory handling, resulting in a NULL pointer being dereferenced while running strcmp on a NULL pointer...

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: ipv6: Added NULL checks for idev in SRv6 paths. in6devget may return NULL when the device has no IPv6 configuration e.g., when MTU is less than IPV6MINMTU, or after NETDEVUNREGISTER. Added NULL checks for idev returned by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dax: Reading daxdev-holderops once in daxholdernotifyfailure daxholdernotifyfailure reads daxdev-holderops twice without using READONCE. Once for the NULL check, and another time for the indirect notifyfailure call. A concurre...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Check the return value of rpcsockaddr2uaddr in rpcbregisterinet4/6. rpcbregisterinet4 and rpcbregisterinet6 store the result of rpcsockaddr2uaddr into map-raddr without checking if it is NULL. rpcsockaddr2uaddr returns NU...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7921: Drop TXRXNOTIFY on non-MMIO buses PKTTYPETXRXNOTIFY is an event exclusive to MMIO operations. However, mt7921rxcheck and mt7921queuerxskb dispatch this event to mt7921mactxfree on every bus. mt7921mactxfree...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: edif: Fixed a NULL pointer dereference in the RX SA delete check. The qlachkedifrxsadeletepending function obtains the SCSI command via GETCMDSPsp and immediately dereferences cmd-scdatadirection. This command...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Platform/mellanox: mlxbf-pmc – Check the result of ACPICOMPANION against NULL. Every platform driver can be forced to match a device that does not match its list of device IDs due to devicematchdriveroverride. Therefore, platform...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcv: Prevent NULL pointer dereferencing in machinekexecprepare A NULL pointer dereferencing issue was identified in riscv’s machinekexecprepare. In this function, image-segmenti.buf might be NULL, and it may be copied without...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Rejects non-VALID sessions in the compound request branch. The smb2checkusersession function takes a shortcut for any operation that is not the first in a COMPOUND request. It reuses the work-sess structure the session bou...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: The fbnewmodelist function has been fixed to prevent a nullptrderef in fbvideomodetovar. info-var, which represents the current mode of a framebuffer, is expected to have a matching entry in info-modelist. The vartodisplay...