CVE-2024-8235: NULL Pointer Dereference

A flaw was found in libvirt. A refactor of the code fetching the list of interfaces for multiple APIs introduced a corner case on platforms where allocating 0 bytes of memory results in a NULL pointer. This corner case would lead to a NULL-pointer dereference and subsequent crash of virtinterface...

CVE-2021-4442

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNONE,...

CVE-2021-4442

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNONE,...

CVE-2021-4442

CVE-2021-4442 – The Linux kernel TCP stack vulnerability described as: a syzkaller repro could cause RCV_SEQ to be advanced after data restoration in the receive queue, enabling an out-of-order or invalid sequence handling when TCP_QUEUE_SEQ is used on non-empty queues. The connected documents (A...

CVE-2021-4442 tcp: add sanity tests to TCP_QUEUE_SEQ

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNONE,...

Fuzzing µCOS protocol stacks, Part 2: Handling multiple requests per test case

So far in this series, Ive developed a fuzzer for the µC/HTTP-server. As described in the previous post, this fuzzer reads from a file to enable compatibility with AFL++. That implementation only fuzzes a single request at a time. Although that single request fuzzer uncovered a few security...

kernel: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port()

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

PT-2024-32105

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential NULL pointer dereference has been resolved in the Linux kernel. The issue occurs when sockfd lookup fails, causing gtp encap enable socket to return a NULL pointer. However,...

kernel: TIPC message reassembly use-after-free remote code execution vulnerability

A use-after-free UAF flaw exists in the Linux Kernel within the reassembly of fragmented TIPC messages, specifically in the tipcbufappend function. The issue results due to a lack of checks in the error handling cleanup and can trigger a UAF on "struct skbuff", which may lead to remote code...

CVE-2024-44935

In the Linux kernel, the following vulnerability has been resolved: sctp: Fix null-ptr-deref in reuseportaddsock. syzbot reported a null-ptr-deref while accessing sk2-skreuseportcb in reuseportaddsock. 0 The repro first creates a listener with SOREUSEPORT. Then, it creates another listener on the...

Froxlor: /etc/pure-ftpd/db/mysql.conf is chmod 644 but contains <SQL_UNPRIVILEGED_PASSWORD>

Summary In Froxlor 2.1.9 and in the HEADs of the main, v2.2 and v2.1 branches , the XML templates in lib/configfiles/ set chmod 644 for /etc/pure-ftpd/db/mysql.conf, although that file contains . At least on Debian 12, all parent directories of /etc/pure-ftpd/db/mysql.conf are world readable by...

GHSA-34QG-65M4-F23M Froxlor: /etc/pure-ftpd/db/mysql.conf is chmod 644 but contains <SQL_UNPRIVILEGED_PASSWORD>

Summary In Froxlor 2.1.9 and in the HEADs of the main, v2.2 and v2.1 branches , the XML templates in lib/configfiles/ set chmod 644 for /etc/pure-ftpd/db/mysql.conf, although that file contains . At least on Debian 12, all parent directories of /etc/pure-ftpd/db/mysql.conf are world readable by...

OESA-2024-2027 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service DoS attack via improper synchronization during socket closure when a client keeps a socket open as t...

OESA-2024-2028 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ipvlan: Dont Use skb-sk in ipvlanprocessv4,6outbound Raw packet from PFPACKET socket ontop of an IPv6-backed ipvlan device will hit WARNONONCE in skmcloop throug...

PT-2024-40042 · Percona +2 · Percona +2

Name of the Vulnerable Software and Affected Versions: Froxlor versions 2.1.9 and earlier Description: The issue concerns the exposure of MySQL database credentials due to incorrect file permissions. In affected Froxlor instances configured to use pure-ftpd, the XML templates set chmod 644 for...

BIT-VALKEY-2023-45145 Redis Unix-domain socket may have be exposed with the wrong permissions for a short time window.

Redis is an in-memory database that persists on disk. On startup, Redis begins listening on a Unix socket before adjusting its permissions to the user-provided configuration. If a permissive umask2 is used, this creates a race condition that enables, during a short period of time, another process...

BIT-KEYDB-2023-45145 Redis Unix-domain socket may have be exposed with the wrong permissions for a short time window.

Redis is an in-memory database that persists on disk. On startup, Redis begins listening on a Unix socket before adjusting its permissions to the user-provided configuration. If a permissive umask2 is used, this creates a race condition that enables, during a short period of time, another process...

CVE-2024-45168

An issue was discovered in UCI IDOL 2 aka uciIDOL or IDOL2 through 2.12. Data is transferred over a raw socket without any authentication mechanism. Thus, communication endpoints are not verifiable...

CVE-2024-45168: Missing Authorization

An issue was discovered in UCI IDOL 2 aka uciIDOL or IDOL2 through 2.12. Data is transferred over a raw socket without any authentication mechanism. Thus, communication endpoints are not verifiable...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-41007)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-41007 advisory. - In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets I...