Important: kernel security and bug fix update

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: watch queue race condition can lead to privilege escalation (CVE-2022-2959)
• kernel: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)
• kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139)
• kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)
• kernel: i2c: unbounded length leads to buffer overflow in ismt_access() (CVE-2022-3077)
• kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• Intel 9.2: Important iavf bug fixes (BZ#2127884)
• vfio zero page mappings fail after 2M instances (BZ#2128514)
• nvme-tcp automatic reconnect fails intermittently during EMC powerstore NDU operation (BZ#2131359)
• ice: Driver Update to 5.19 (BZ#2132070)
• WARNING: CPU: 116 PID: 3440 at arch/x86/mm/extable.c:105 ex_handler_fprestore+0x3f/0x50 (BZ#2134588)
• drm: duplicated call of drm_privacy_screen_register_notifier() in drm_connector_register() (BZ#2134619)
• updating the appid field through sysfs is returning an -EINVAL error (BZ#2136914)
• DELL EMC: System is not booting into RT Kernel with perc12. (BZ#2139213)
• No signal showed in the VGA monitor when installing RHEL9 in the legacy bios mode (BZ#2140153)
• Practically limit "Dummy wait" workaround to old Intel systems (BZ#2142168)
• ppc64le: unexpected oom panic when there's enough memory left in zswap test (BZ#2143976)
• fatal error: error in backend: Branch target out of insn range (BZ#2144902)
• AMdCLIENT: The kernel command line parameter "nomodeset" not working properly (BZ#2145217)
• Azure: PCI: hv: Do not set PCI_COMMAND_MEMORY to reduce VM boot time (BZ#2150910)
• Azure z-stream: Sometimes newly deployed VMs are not getting accelerated network during provisioning (BZ#2151605)
• DELL 9.0 RT - On PE R760 system, call traces are observed dmesg when system is running stress (BZ#2154407)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for x86_64 9 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x

Fixes

• BZ - 2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device.
• BZ - 2085300 - CVE-2022-30594 kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option
• BZ - 2103681 - CVE-2022-2959 kernel: watch queue race condition can lead to privilege escalation
• BZ - 2123309 - CVE-2022-3077 kernel: i2c: unbounded length leads to buffer overflow in ismt_access()
• BZ - 2141752 - CVE-2022-43945 kernel: nfsd buffer overflow by RPC message over TCP with garbage data
• BZ - 2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access

CVEs

• CVE-2022-2959
• CVE-2022-2964
• CVE-2022-3077
• CVE-2022-4139
• CVE-2022-30594
• CVE-2022-43945

References

• https://access.redhat.com/security/updates/classification/#important