Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE The Bind lookup operation is executed under RCU; therefore, ensure that a socket does not disappear during the middle of a lookup operation...

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: drm/tegra: dsi: Added a check for the return value of offinddevicebynode. Added a check on the return value of offinddevicebynode, and return an error if it fails, in order to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in 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 refactored the handling of pre-assigned ifindex values. This led to a latent issue in ovs. ovs does not validate ifindex values,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/restrack: Fixed potential invalid address access issues. The kernname of the struct rdmarestrackentry was set to KBUILDMODNAME in ibcreatecq. If the module exits but forgets to remove this rdmarestrackentry, it could lead...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf: Fix event leak upon exit When a task is scheduled out, pending sigtrap deliveries are deferred to the target task upon resume to user space via taskwork. However, failures during the addition of an event’s callback to the...

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: drm/amd/pm: Prevention of division by zero The user can set any speed value. If the speed is greater than UINTMAX/8, a division by zero is possible. Found by the Linux Verification Center linuxtesting.org with SVACE...

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: nexthop: It is now forbidden to change the FDB status of a nexthop device while the nexthop is in a group. The kernel prevents the creation of non-FDB nexthop groups that contain FDB nexthops. Example: ip nexthop add id 1 via...

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: SUNRPC: svcauthgss: Avoid NULL dereferencing on a zero-length gsstoken in gssreadproxyverf A zero-length gsstoken results in pageaddress being == 0, and intoken-pages0 being NULL. The code pageaddressintoken-pages0, which can lea...

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

In the Linux kernel, the following vulnerabilities have been resolved: block/ioctl: prefer different overflow check Running syzkaller with the newly reintroduced signed integer overflow The sanitizer reports the following issues: 62.982337 ------------ cut here ------------ 62.985692 cgroup:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bonding: Do not assume that the skbmacheader is set. Drivers must not assume that skbs have their macheader set. skb-data is all that is needed. bonding seems to be one of the last vulnerabilities detected by syzbot: WARNING:...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Do not return “unset power” in ieee80211gettxpower. We may receive a UBSAN warning if ieee80211gettxpower returns the INTMIN value that mac80211 internally uses for “unset power level”. UBSAN:...

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

In the Linux kernel, the following vulnerabilities have been resolved: wifi: iwlwifi: fixed a memory corruption iwlfwinitriggertlv::data is a pointer to a le32; this means that if we copy data to iwlfwinitriggertlv::data + offset where offset is in bytes, we will write beyond the buffer...

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

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fixed a memory leak in initcreditreturn. When dmaalloccoherent fails to allocate dd-crbasei.va, initcreditreturn should deallocate dd-crbase and dd-crbasei that were allocated earlier. Otherwise, those resources will nev...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/mxsfb: Disabling the overlay plane in mxsfbplaneoverlayatomicdisable When disabling the overlay plane in mxsfbplaneoverlayatomicupdate, the framebuffer pointer of the overlay plane is NULL. Therefore, dereferencing it would...

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

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Fixed a data race around unixtotinflight. unixtotinflight is updated under spinlockunixgclock, but unixreleasesock reads it without locking. We will use READONCE for unixtotinflight...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fixed a potential data race in the PCM memory allocation helpers The PCM memory allocation helpers include a sanity check to prevent too many buffer allocations. However, this check is performed without proper locking,...

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: rcuscale: Move rcuscalewriter’s scheduletimeoutuninterruptible function to idle. The rcuscale.holdoff module parameter can be used to delay the start of rcuscalewriter’s kthread. However, the hung-task timeout will trigger when t...

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/sched: fqpie: avoid stalls in fqpietimer When setting a high number of flows limit being 65536, fqpietimer is currently using too much time as syzbot reported. Add logic to yield the cpu every 2048 flows less than 150 usec on...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed a race condition related to the refcnt of skb after locking operations. There is a race condition where the skb from the skpsockbacklog can be referenced after the user-space environment has already consume...

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/amdgpu: Fixed the signedness bug in sdmav40processtrapirq The “instance” variable needs to be signed for error handling to work properly...