Red Hat Enterprise Linux 9 vulnerabilities
1,050 known vulnerabilities in Red Hat Enterprise Linux 9 from Red Hat. 1,050 are rated high or critical, and 6 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 7.1 High severity
Red Hat Enterprise Linux 8: Out-of-bounds Read
An out-of-bounds read vulnerability was found in smb2_dump_detail in fs/smb/client/smb2ops.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.
- 7.1 High severity
Red Hat Enterprise Linux 8: Out-of-bounds Read
An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.
- 7.8 High severity
kernel: NULL Pointer Dereference
A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.
- 7.0 High severity
Red Hat Enterprise Linux 8: Improper Synchronization
A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overwriting the VM's boot code). This could be used, for example, by L2 guests with a virtual disk (vdiskL2) stored
- 9.8 Critical severity
Red Hat Enterprise Linux 8: Improper Limitation of a Pathname to a Restricted Directory
A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory. Samba typically uses this mechanism to connect SMB clients to remote procedure call (RPC) services like SAMR
- 7.5 High severity
Red Hat Enterprise Linux 8: Improper Handling of Exceptional Conditions
A flaw was found in Squid. The limits applied for validation of HTTP response headers are applied before caching. However, Squid may grow a cached HTTP response header beyond the configured maximum size, causing a stall or crash of the worker process when a la
- 7.5 High severity
Red Hat Enterprise Linux 9: Incorrect Conversion between Numeric Types
Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.
- 7.5 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Buffer Copy without Checking Size of Input
Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.
- 8.1 High severity
kernel: Out-of-bounds Read
An out-of-bounds (OOB) memory read flaw was found in parse_lease_state in the KSMBD implementation of the in-kernel samba server and CIFS in the Linux kernel. When an attacker sends the CREATE command with a malformed payload to KSMBD, due to a missing check o
- 8.8 High severity
Red Hat Enterprise Linux 8: Use After Free
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which
- 7.8 High severity
Red Hat Enterprise Linux 7: Exposure of Resource to Wrong Sphere
A vulnerability was found in insights-client. This security issue occurs because of insecure file operations or unsafe handling of temporary files and directories that lead to local privilege escalation. Before the insights-client has been registered on the sy
- 7.0 High severity
Red Hat Enterprise Linux 9: Use After Free
A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a scr
- 7.8 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Out-of-bounds Write
A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty funct
- 7.8 High severity
Red Hat Enterprise Linux 8: Out-of-bounds Write
An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the U
- 7.8 High severity
Red Hat Enterprise Linux 8: Use After Free
The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration e
- 7.7 High severity
Red Hat Enterprise Linux 8: Protection Mechanism Failure
A flaw was found in the tracker-miners package. A weakness in the sandbox allows a maliciously-crafted file to execute code outside the sandbox if the tracker-extract process has first been compromised by a separate vulnerability.
- 7.8 High severity
Red Hat Enterprise Linux 8: Integer Overflow or Wraparound
A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.
- 8.2 High severity
An improper input validation flaw was found in the eBPF subsystem in the Linux kernel.
An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF p
- 7.8 High severity
GNU C Library Buffer Overflow Exploited
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binari
- 7.8 High severity
Red Hat Enterprise Linux 7: Out-of-bounds Write
An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer ou
- 7.8 High severity
Red Hat OpenShift Container Platform 4.11: Improper Control of Dynamically-Managed Code Resources
A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.
- 7.5 High severity
RHINT Camel-K-1.10.1: Improper Limitation of a Pathname to a Restricted Directory
A flaw was found in codeplex-codehaus. A directory traversal attack (also known as path traversal) aims to access files and directories stored outside the intended folder. By manipulating files with "dot-dot-slash (../)" sequences and their variations or by us
- 7.1 High severity
gawk: Out-of-bounds Read
A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information.
- 7.5 High severity
Red Hat Enterprise Linux 6: Missing Release of Memory after Effective Lifetime
A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.
- 8.2 High severity
qemu: Use After Free
This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750.
- 7.8 High severity
Red Hat Enterprise Linux 7: Incorrect Authorization
A vulnerability was found in subscription-manager that allows local privilege escalation due to inadequate authorization. The D-Bus interface com.redhat.RHSM1 exposes a significant number of methods to all users that could change the state of the registration.
- 7.1 High severity
Kernel: Double Free
A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked inter
- 7.1 High severity
Red Hat Enterprise Linux 8: Use After Free
A use-after-free flaw was found in vmxnet3_rq_alloc_rx_buf in drivers/net/vmxnet3/vmxnet3_drv.c in VMware's vmxnet3 ethernet NIC driver in the Linux Kernel. This issue could allow a local attacker to crash the system due to a double-free while cleaning up vmxn
- 8.8 High severity
Red Hat Advanced Cluster Security 4.2: Improper Neutralization of Special Elements used in an SQL Command
IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct (dollar quoting, '', or ""). If an administrator has installed files of a vulnerable, trusted, non-
- 7.8 High severity
Red Hat Enterprise Linux 9: Use After Free
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.
- 7.8 High severity
Red Hat Enterprise Linux 8: Use After Free
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their pri
- 7.8 High severity
Red Hat Enterprise Linux 8: Use After Free
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate t
- 7.5 High severity
frr: Loop with Unreachable Exit Condition
A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that
- 7.8 High severity
Red Hat Enterprise Linux 6: Observable Discrepancy
A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize pe
- 7.1 High severity
Red Hat Enterprise Linux 8: Use After Free
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
- 7.5 High severity
Red Hat Enterprise Linux 9: Excessive Iteration
A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections. This flaw allows an attacker to exhaust all available connections.
- 8.1 High severity
kernel: Improper Locking
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_LOGOFF and SMB2_CLOSE commands. The issue results from the lack of proper locking when performing operations on an obj
- 8.1 High severity
kernel: Improper Locking
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations o
- 7.5 High severity
kernel: NULL Pointer Dereference
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker ca
- 7.5 High severity
kernel: NULL Pointer Dereference
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to ac