Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed an issue where shareconf was freed after use, in compound requests. smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks that tstate is equal to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/tls: fixed a kernel panic that occurred when allocpage failed. We cannot set fraglist to a NULL pointer when allocpage fails. This setting will be used in tlsstrpcheckqueueok when tlsstrpreadsock is called next time. This ...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: initialize extack before use. This fix addresses the issue of missing initialization of extack in flow offload...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-multipath: fixed the lockdep warning due to the partition scan operation. The test cases nvme/014, 057, and 058 occasionally fail due to the lockdep warning. As reported in the Closes tag URL, this warning indicates that ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Landlock: Do not lose track of restrictions on credtransfer. When a process’s credstruct is replaced, this mechanism almost always invokes the credprepare LSM hook. However, in one special case when KEYCTLSESSIONTOPARENT updates...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Avoid using sksocket after free when sending messages. The sk-sksocket is not locked or referenced in the backlog thread. During the call to skbsendsock, there is a race condition involving the release of sksocket...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Fix for potential “sta-link” leaks When a station is allocated, links are added but are not yet marked as valid e.g., during connection to an AP or MLD. We might remove the station without actually marking the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Rejecting out-of-bounds values in sndsocputvolsw We currently do not validate whether the values being set are within the range that we have advertised to userspace as valid. Instead, we reject any values that are out ...

Astra Linux – Vulnerability in Linux 5.10, Linux

The mm/mremap.c file in the Linux kernel before version 5.13.3 contains a use-after-free issue due to a stale Translation Look-And-Reduce TLB table, as the rmap lock is not held during a PUD move...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: A NULL pointer dereference issue was fixed in fbconputcs. syzbot has identified a NULL pointer dereference bug in fbcon. Here is the simplified C code for the reproduction of the issue: c struct param uint8t type; struct...

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: soc: samsung: exynos-chipid: A NULL pointer check was added in exynoschipidprobe. socdevattr-revision can be NULL; therefore, a pointer check was added to prevent potential NULL pointer dereferencing. This is similar to the fix i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a panic that occurred when forwarding a packet without an in6 dev associated with the interface. Kongweibin reported a kernel panic in ip6forward, when the input interface does not have an in6 dev associated. The...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dma-buf: A memory barrier should be inserted before updating numfences. smpstoremb inserts a memory barrier after storing data. This differs from what the comment originally intended; a null pointer dereferencing can occur if the...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid HDCP over-reading and corruption. Instead of reading the desired 5 bytes from the actual target field, the code was reading 8 bytes. This could result in a corrupted value if the last 3 bytes were non-zero...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed the rxrpclocal leak in rxrpclookuppeer. It is necessary to call rxrpcPutlocal for the peer candidate before kfree, as it holds a reference to rxrpclocal. DH: v2: The peer freeing code has been abstracted into a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Always initialize struct msghdr completely. syzbot reports that the value of msg-msggetinq may be uninitialized 1. The struct msghdr has many new fields recently. We should always ensure that their values are zero by...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: prefer nftchainvalidate nftchainvalidate already performs loop detection, as a cycle in the process could lead to a call stack overflow ctx-level = NFTJUMPSTACKSIZE. It also iterates through the maps via t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Forgetting ranges when refining tnum after JSET Syzbot reported a kernel warning due to a range invariant violation in the following BPF program. 0: call bpfgetnetnscookie 1: if r0 == 0 goto 2: if r0 & Oxffffffff goto The...