Important: kernel

Issue Overview: A use-after-free flaw was found in kernel/trace/ringbuffer.c in Linux kernel. There was a race problem in traceopen and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem DOS. This flaw could even allow a local attacker with special use...

Important: kernel

Issue Overview: 2023-06-29: CVE-2023-28772 was added to this advisory. An issue in the HID driver in the Linux kernel may lead to invalid memory access. CVE-2022-20565 A flaw was found in the Linux kernel's implementation of BTRFS free space management, where the kernel does not correctly manage...

Important: kernel

Issue Overview: A denial of service flaw for virtual machine guests in the Linux kernel's Xen hypervisor subsystem was found in the way users call some interrupts with high frequency from one of the guests. A local user could use this flaw to starve the resources resulting in a denial of service...

Important: kernel

Issue Overview: A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system. CVE-2021-20321 This vulnerability allows local attackers to escalate privileges...

Medium: kernel

Issue Overview: A flaw was found in the Linux kernel. A memory leak in the ccp-ops crypto driver can allow attackers to cause a denial of service. This vulnerability is similar with the older CVE-2019-18808. The highest threat from this vulnerability is to system availability. CVE-2021-3744 A...

Important: kernel

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in the way the user calls ioctl DRMIOCTLNOUVEAUCHANNELALLOC. This flaw allows a local user to crash the system. CVE-2020-25639 An issue was discovered in the Linux kernel 3.11 through...

Important: kernel

Issue Overview: A flaw was found in the Linux kernels implementation of wifi fragmentation handling. An attacker with the ability to transmit within the wireless transmission range of an access point can abuse a flaw where previous contents of wifi fragments can be unintentionally transmitted to...

Important: kernel

Issue Overview: An out-of-bounds write flaw was found in the Linux kernel's seqfile in the Filesystem layer. This flaw allows a local attacker with a user privilege to gain access to out-of-bound memory, leading to a system crash or a leak of internal kernel information. The issue results from no...

Medium: kernel

Issue Overview: A flaw was found in the Linux kernel's implementation of wireless drivers using the Atheros chipsets. An attacker within wireless range could send crafted traffic leading to information disclosure. CVE-2020-3702 A flaw was found in the KVM's AMD code for supporting SVM nested...

Important: kernel

Issue Overview: A use-after-free flaw was found in the Linux kernel's NFC LLCP protocol implementation in the way the user performs manipulation with an unknown input for the llcpsockbind function. This flaw allows a local user to crash or escalate their privileges on the system. CVE-2020-25670 A...

Medium: kernel

Issue Overview: An issue was discovered in the Linux kernel. Fastrpcinternalinvoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages. This is a related issue to CVE-2019-2308. CVE-2021-28375 A flaw was found in the Linux kernel. The rtwwxsetscan driver...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CVE-2020-14386 Affected Packages: kerne...

Important: kernel

Issue Overview: A use-after-free flaw was found in the Linux kernel's NFC LLCP protocol implementation in the way the user performs manipulation with an unknown input for the llcpsockbind function. This flaw allows a local user to crash or escalate their privileges on the system. CVE-2020-25670 A...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. A local attacker, able to inject conntrack netlink configuration, could overflow a local buffer causing crashes or triggering the use of incorrect protocol numbers in ctnetlinkparsetuplefilter in net/netfilter/nfconntracknetlink.c. The highest...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. This flaw allows attackers to cause a denial of service soft lockup by triggering the destruction of a large SEV VM, which requires unregistering many encrypted regions. The highest threat from this vulnerability is to system availability...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel, where a BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack. This issue occurs when the protection mechanism neglects the possibility of uninitialized memory locations on the BPF...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data...

Important: polkit

Issue Overview: A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of pkexec doesn't handle the calling...

Important: mailman

Issue Overview: Cross-site request forgery CSRF vulnerability in the user options page in GNU Mailman 2.1.x before 2.1.23 allows remote attackers to hijack the authentication of arbitrary users for requests that modify an option, as demonstrated by gaining access to the credentials of a victim's...

Medium: containerd

Issue Overview: A flaw was found in containerd. Credentials may be leaked during an image pull. CVE-2020-15157 Affected Packages: containerd Issue Correction: Run yum update containerd or yum update --advisory ALAS-2021-1555 to update your system. New Packages: src: ...

Medium: busybox

Issue Overview: A flaw was found in BusyBox, where it did not properly sanitize while processing a crafted shell command, leading to a denial of service. The highest threat from this vulnerability is to system availability. CVE-2021-42376 A flaw was found in BusyBox, where it did not properly...

Medium: python-pip

Issue Overview: A flaw was found in python-urllib3. SSL certificate validation is omitted in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy if an SSLContext isn't given via proxyconfig doesn't verify the hostname of the certificate. This means certificates...

Important: runc

Issue Overview: runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfslinux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory. CVE-2019-16884 A flaw was...

Medium: vim

Issue Overview: Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter. CVE-2020-20703 vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3903 A flaw was found in vim. A possible heap-based buffer overflow could allow an...

Medium: krb5

Issue Overview: A flaw was found in krb5. The Key Distribution Center KDC in MIT Kerberos 5 has a NULL pointer dereference via a FAST inner body that lacks a server field. An authenticated attacker could use this flaw to crash the Kerberos KDC server. The highest threat from this vulnerability is...

Medium: vim

Issue Overview: vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3903 A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to data...

Important: cyrus-imapd

Issue Overview: A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored in predictable buckets. A user may cause a CPU denial of service by maliciously directing many inputs to a single bucket. The highest threat from this...

Low: glibc

Issue Overview: The mqnotify function in the GNU C Library aka glibc has a use-after-free. It may use the notification thread attributes object passed through its struct sigevent parameter after it has been freed by the caller, leading to a denial of service application crash or possibly...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: JSSE. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Difficult to exploit vulnerability allows...

Important: log4j

Issue Overview: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the...

Important: xorg-x11-server

Issue Overview: A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the SProcRenderCompositeGlyphs function due to improper validation of the request length. CVE-2021-4008 A flaw was found in xorg-x11-server. An out-of-bounds access can occur in the...

Important: httpd24

Issue Overview: There's a null pointer dereference and server-side request forgery flaw in httpd's modproxy module, when it is configured to be used as a forward proxy. A crafted packet could be sent on the adjacent network to the forward proxy that could cause a crash, or potentially SSRF via...

Important: freerdp

Issue Overview: A flaw was found in the FreeRDP client when it fails to validate input data when using gateway connections. This flaw could allow a malicious gateway to send a specially crafted input to a client leading to an out of bounds write in client memory. The highest threat from this flaw...

Medium: log4j

Issue Overview: A flaw was found in the Java logging library Apache Log4j in version 1.x . This allows a remote attacker to execute code on the server if the deployed application is configured to use JMSAppender. This flaw has been filed for Log4j 1.x, the corresponding flaw information for Log4j...

Medium: aws-kinesis-agent

Issue Overview: Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack where an attacker with permission to modify the logging configuration file can construct a malicious configuration using a JDBC...

Important: httpd

Issue Overview: There's a null pointer dereference and server-side request forgery flaw in httpd's modproxy module, when it is configured to be used as a forward proxy. A crafted packet could be sent on the adjacent network to the forward proxy that could cause a crash, or potentially SSRF via...

Medium: openjpeg2

Issue Overview: Division-by-zero vulnerabilities in the functions pinextpcrl, pinextcprl, and pinextrpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service application crash. CVE-2018-20845 An improper computation of ptx0, ptx1, pty0 and pty1 in the...

Medium: aws-kinesis-agent

Issue Overview: A flaw was found in the Apache Log4j logging library 2.x. when the logging configuration uses a non-default Pattern Layout with a Context Lookup. Attackers with control over Thread Context Map MDC input data can craft malicious input data that contains a recursive lookup and can...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: The Apache Log4j hotpatch package starting with log4j-cve-2021-44228-hotpatch-1.1-13 will now explicitly mimic the permissions of the JVM attempting to be updated. Affected Packages: log4j-cve-2021-44228-hotpatch Note: This advisory is applicable to Amazon Linux 2 AL2 Core...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: The Apache Log4j hotpatch package starting with log4j-cve-2021-44228-hotpatch-1.1-13 will now explicitly mimic the permissions of the JVM attempting to be updated. Affected Packages: log4j-cve-2021-44228-hotpatch Issue Correction: Run yum update log4j-cve-2021-44228-hotpatch or yu...

Critical: java-17-amazon-corretto, java-11-amazon-corretto, java-1.8.0-openjdk, java-1.7.0-openjdk

Issue Overview: No versions of an Amazon Linux Java Virtual Machine JVM are affected by CVE-2021-44228 or CVE-2021-45046. However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in...

Critical: java-1.8.0-openjdk, java-1.7.0-openjdk, java-1.6.0-openjdk

Issue Overview: No versions of an Amazon Linux Java Virtual Machine JVM are affected by CVE-2021-44228 or CVE-2021-45046. However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in...

Important: kernel-livepatch-5.10.68-62.173

Issue Overview: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access t...

Medium: kernel-livepatch-4.14.248-189.473

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.248-189.473 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.248-189.473 or yum update --advisory ALAS2LIVEPATCH-2021-071 to update your system. New...

Medium: kernel-livepatch-4.14.252-195.483

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.252-195.483 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.252-195.483 or yum update --advisory ALAS2LIVEPATCH-2021-069 to update your system. New...

Medium: kernel-livepatch-4.14.252-195.481

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.252-195.481 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.252-195.481 or yum update --advisory ALAS2LIVEPATCH-2021-070 to update your system. New...

Critical: java-1.8.0-amazon-corretto

Issue Overview: No versions of an Amazon Linux Java Virtual Machine JVM are affected by CVE-2021-44228 or CVE-2021-45046. However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in...

Important: kernel-livepatch-5.10.62-55.141

Issue Overview: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access t...

Critical: java-11-openjdk

Issue Overview: No versions of an Amazon Linux Java Virtual Machine JVM are affected by CVE-2021-44228 or CVE-2021-45046. However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in...

Medium: kernel-livepatch-4.14.246-187.474

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.246-187.474 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.246-187.474 or yum update --advisory ALAS2LIVEPATCH-2021-072 to update your system. New...