Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: BPF: Mark the bpf prog stack with kmsanunpoisonmemory in interpreter mode. SYZBOT reported uninit memory usage during maplookup,deleteelem. ========= BUG: KMSAN: uninitvalue in devmaplookupelem kernel/bpf/devmap.c:441 inline...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: arm64: sme: Use STR P to clear the FFR context field in streaming SVE mode. The FFR is a predicate register whose size can range from 16 to 256 bits, depending on the configured vector length. When saving the SVE state in streami...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: mm: vmscan: accounts for free pages to prevent infinite loops in throttledirectreclaim. The task sometimes continues looping in throttledirectreclaim because allowdirectreclaimpgdat keeps returning false. The call stack is as...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Release the hbalock before calling lpfcworkerwakeup. The lpfcworkerwakeup function calls the lpfcworkdone routine, which takes the hbalock. Therefore, lpfcworkerwakeup should not be called while holding the hbalock to...

Astra Linux - уязвимость в linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the issue of unexpected dereferencing of the hive. Check whether the amdgpuhiveinfo hive might be NULL...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

A issue was discovered in the driver/mtd/ubi/cdev.c file within the Linux kernel 6.2. There is a division-by-zero error in the dodivsz, mtd-erasesize function, which is indirectly used by ctrlcdevioctl, when mtd-erasesize is 0...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: atm: idt77252: prevent use after free in dequeuerx We can't dereference "skb" after calling vcc-push because the skb is released...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbconputcs syzbot has found a NULL pointer dereference bug in fbcon. Here is the simplified C reproducer: struct param uint8t type; struct tioclselection ts; ; int main struct...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Synchronous access between the reset thread and the TM thread for reply queues. When the task management thread processes reply queues while the reset thread resets them, the task management thread accesses an inval...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: espintcp: fix skb leaks A few error paths are missing a kfreeskb...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: fix memory leak of LZMA global compressed deduplication When stressing microLZMA EROFS images with the new global compressed deduplication feature enabled -Ededupe, I found some short-lived temporary pages weren't properly...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: idpf: fixed checksums set in idpfrxrsc idpfrxrsc uses skbtransportoffsetskb when the transport header is not yet set. This triggers the following warning in builds with CONFIGDEBUGNET=y:...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception Previously, commit ed129ec9057f "KVM: x86: forcibly leave nested mode on vCPU reset" addressed an issue where a triple fault occurring in nested mode could lead to...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Ensure that sndnxt is properly initialized upon connection. Christoph reported a crash hinting at a corrupted snduna: WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 mptcpcleanuna+0x4b3/0x620 net/mptcp/protocol.c:1005...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: ndisc: Extended RCU protection has been added to ndiscsendskb. The ndiscsendskb function can be called without holding RTNL or RCU. Acquire rcureadlock should be performed earlier, so that we can use devnetrcu, and potential U...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented NULL dereference in ip6output According to syzbot, there is a possibility that ip6dstidev returns NULL in ip6output. Most parts of the IPv6 stack handle a NULL idev fine, but not this case. syzbot reported: Genera...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialize rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported a divide-by-zero issue in tcpselectWindow for MPTCP sockets. 0 We had a similar issue with bare TCP and fixed it in commit 499350a5a6...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Don't access ifaindex when missing In mctpdumpaddrinfo, ifaindex can be used to filter interfaces, but only when the struct ifaddrmsg is provided. Otherwise it will be comparing to uninitialised memory - reproducible i...

Astra Linux - уязвимость в linux-6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM Otherwise accessing them can cause a crash...

Astra Linux - уязвимость в linux-6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Check the helper function is valid in gethelperproto kernel test robot reported verifier bug 1 where the helper func pointer could be NULL due to disabled config option. As Alexei suggested we could check on that in...