Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue occurs when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and binding the vxcan device to the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed the NULL pointer dereference in svmmigratetoram. ./drivers/gpu/drm/amd/amdkfd/kfdmigrate.c:985:58-62: Error: p is NULL, but it was dereferenced...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the null-ptr-deref issue in ibcorecleanup. KASAN reported a null-ptr-deref error: KASAN: Null pointer dereferencing in the range 0x0000000000000118–0x000000000000011f. CPU: 1; PID: 379. Hardware name: QEMU Standa...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpftool: A NULL pointer derefrence issue occurs when pinning PROG, MAP, LINK without FILE. When using bpftool to pin PROG, MAP, LINK without FILE, a segmentation fault will occur. The reason is that the absence of FILE causes...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fixed NULL pointer dereferencing in mtkiommudevicegroup. Currently, mtkiommu calls are made during the probe iommudeviceregister before the driver data is initialized. Due to the fix for the iommu probing issue,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sunrpc: Fixed the issue of null pointer dereferencing on zero-length checksums. In xdrstreamdecodeopaqueauth, the value of checksum.len causes checksum.data to be set to NULL. This triggers a NPD when accessing checksum.data in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ata: patapxa: Fixed a potential NULL pointer dereferencing in pxaataprobe. devmioremap returns NULL upon error. Currently, pxaataprobe does not check for this case, which could lead to a NULL pointer dereferencing. Add a NULL che...

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: net: dsa: mv88e6xxx: Avoid unregistering devlink regions that were never registered. Russell King reported that a system with mv88e6xxx dereferenced a NULL pointer when unbinding this driver:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix potential null dereferencing in ext4mbinit In ext4mbinit, ext4mbavgfragmentsizedestroy may be called when sbi-smbavgfragmentsize remains uninitialized e.g., if the groupinfo slab cache allocation fails. Since...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/vmwgfx: Fixed a nullptr access in the cursor snooper. Checked that the resource, which is converted to a surface, exists before trying to use the cursor snooper on it. vmwcmdrescheck allows explicit invalid identifiers e.g...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: a fix was made to avoid NULL pointer dereferencing in f2fscheckquotaconsistency. The syzbot reported the following f2fs bug: Oops: gen 107.736417T5848. An general protection fault occurred, likely due to a non-canonical...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-throttle: Fixed an access race issue during the activation of the throttle policy. During repeated cold boots, we occasionally encountered a NULL pointer crash in blkshouldthrotl, when checking the throttle policy before t...

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

In the Linux kernel, the following vulnerability has been resolved: pid: Added a check for ns null in pidnrns. taskpidnrns ns = taskactivepidnscurrent; pidnrnsrcudereferencetaskpidptrtask, type, ns; if pid && ns-level level Sometimes, null is returned for taskactivepidns. This can trigger kernel...

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

In the Linux kernel, the following vulnerability has been resolved: net/sctp: A null dereference in the sctpdisposition sctpsfdo51Dce function has been fixed. If newasoc-peer.adaptationind=0, sctpulpeventmakeauthkey=0, and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero, an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panel: A possible null pointer dereference in jdipaneldsiremove has been fixed. In jdipaneldsiremove, jdi is explicitly checked, indicating that it may be NULL: c if !jdi mipidsidetachdsi; However, when jdi is NULL, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Added a check for a failure in kcalloc in parsethreadgroups. Since kcalloc may fail, it is necessary to check its return value to prevent a NULL pointer derefrence when passing it to ofpropertyreadu32array...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netconsole: avoid OOB reads, msg is not nul-terminated The message passed to netconsole from the console subsystem is not guaranteed to be nul-terminated. Before the recent commit 7eab73b18630 “netconsole: convert to NBCON consol...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfs: Check for deleted cursors when revalidating two btrees. The free space and inode btree repair functions will rebuild both btrees at the same time. After that, it is necessary to evaluate both btrees to confirm that the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed NULL dereferencing and use-after-free in smctcpsynrecvsock. Syzkaller reported a panic in smctcpsynrecvsock. The smctcpsynrecvsock function is called in the TCP receive path softirq via icskafops-synrecvsock on...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: objtool: Fixed the SEGFAULT issue. findinsn: This function will return NULL in case of failure. Check the insn order to avoid a kernel error due to NULL pointer dereferencing...