CVE-2022-0847

CVE-2022-0847 (Dirty Pipe) is a Linux kernel local privilege-escalation flaw in the pipe buffer handling (flags field) where copy_page_to_iter_pipe and push_pipe fail to initialize flags, allowing an unprivileged local user to write to pages cached from read-only files. Public advisories confirm ...

CVE-2021-44142

The CVE-2021-44142 issue is in the Samba vfs_fruit module. It allows out-of-bounds heap read/write via specially crafted extended file attributes (xattrs) when vfs_fruit is configured on Samba versions older than 4.13.17, 4.14.12, and 4.15.5. A remote attacker with write access to xattrs can exec...

CVE-2020-25717

CVE-2020-25717 affects Samba: an authenticated user mapping domain users to local users can lead to privilege escalation. Public references in Connected documents confirm this is a Samba issue (no exploit details provided here). Several advisories and vendor notes indicate patches or updated pack...

CVE-2016-2124

CVE-2016-2124 is a Samba SMB1 authentication flaw. The vulnerability lets an attacker retrieve plaintext passwords sent over the wire, even when Kerberos may be required. Connected sources confirm Samba SMB1 handling is at issue, with advisories across Red Hat, Amazon Linux 2/ALAS, Alpine and Clo...

CVE-2022-1011

CVE-2022-1011: A use-after-free vulnerability in the Linux kernel FUSE implementation when a user triggers write(), enabling local privilege escalation. Affected component is the FUSE filesystem in the kernel; impact is unauthorized access to data from FUSE mounts and potential escalation. Connec...

CVE-2021-3669

CVE-2021-3669 is a Linux kernel vulnerability where measuring shared memory usage does not scale with large shared memory segment counts, enabling resource exhaustion and DoS. Connected sources confirm the issue affects multiple kernel versions and distributions, with remediations following vendo...

CVE-2022-0516

CVE-2022-0516 affects the KVM for s390 in the Linux kernel, specifically the arch/s390/kvm/kvm-s390.c function kvm_s390_guest_sida_op. The vulnerability allows a local user with normal privileges to obtain unauthorized memory write access due to an insufficient check in the KVM s390x release_agen...

CVE-2021-3656

CVE-2021-3656 describes a flaw in the KVM hypervisor for AMD processors where the L1 guest can provide a VMCB with an improperly validated virt_ext field, allowing the L1 to disable VMLOAD/VMSAVE intercepts and VLS for the L2 guest. This enables the L2 guest to read/write portions of the host’s p...

CVE-2021-23177

CVE-2021-23177 concerns an improper link resolution flaw in libarchive when extracting archives. A crafted archive could trigger changes to the ACL of the link target, potentially allowing a local attacker to modify file ACLs and gain higher privileges. The vulnerability is described across multi...

CVE-2023-5455

CVE-2023-5455 is a Cross-Site Request Forgery vulnerability in FreeIPA’s ipa/session/login_password path, enabling an attacker to trick a logged-in user into submitting actions with the user’s rights. The initial description notes that CSRF protection is missing on certain HTTP endpoints, and tha...

CVE-2023-0179

CVE-2023-0179 is a Linux kernel Netfilter vulnerability involving a buffer overflow in the NFT payload path that could leak stack/heap addresses and enable local privilege escalation via arbitrary code execution. Connected advisories confirm a fix in the Linux kernel: Astra Linux describes correc...

CVE-2021-20257

CVE-2021-20257 concerns QEMU’s e1000 NIC emulator. The issue is an infinite loop in process_tx_desc when tx descriptor fields are invalid, allowing a guest to exhaust host CPU and cause DoS. Connected advisories confirm this affects QEMU and related builds (e.g., Debian LTS, Red Hat/AL2, Astra Li...

CVE-2021-31566

CVE-2021-31566 affects the libarchive library and is documented across multiple advisories. The flaw is an improper link resolution during archive extraction that can change file modes, times, ACLs and flags of files outside the archive, potentially enabling a local privilege escalation. Connecte...

CVE-2021-3659

CVE-2021-3659 is a local NULL pointer dereference in the Linux kernel’s IEEE 802.15.4 LR-WPAN subsystem. The specific code path cited in connected sources is a NULL pointer dereference in llsec_key_alloc() within net/mac802154/llsec.c, which can be triggered during LR-WPAN connection closure and ...

CVE-2021-3695

CVE-2021-3695 affects grub2. A crafted 16-bit grayscale PNG image can cause an out-of-bounds write in grub2 heap, leading to heap data corruption and potentially arbitrary code execution, bypassing secure boot protections. The vulnerability requires heap-layout triage and the written values are r...

CVE-2021-3975

CVE-2021-3975 is a use-after-free in libvirt affecting the qemuMonitorUnregister path inside qemuProcessHandleMonitorEOF. It can be triggered by the virConnectGetAllDomainStats API during guest shutdown, allowing an unprivileged read-only client to crash the libvirt daemon and cause a denial of s...

CVE-2021-3696

CVE-2021-3696 = heap out-of-bounds write during Huffman table handling in grub2’s PNG reader, causing potential heap corruption. Affected: grub2 before patch grub-2.12; implications listed as Low/Low/Low in some sources, with potential for data corruption and, in theory, arbitrary code execution ...

CVE-2021-3697

CVE-2021-3697 is a grub2 JPEG handling vulnerability where crafting a JPEG image may cause a heap underflow in the JPEG reader, enabling data corruption and potentially code execution or secure-boot circumvention. It affects grub2 versions prior to the fixed release (notably legacy references to ...

CVE-2020-14301

CVE-2020-14301 is an information-disclosure in libvirt prior to 6.3.0 where HTTP cookies used to access network-based disks were saved in a guest domain’s dumpxml XML, enabling access to sensitive domain configuration data. Affected: libvirt