systemd security update

239-82.0.1 - Fixed deletion issue for symlink when device is opened Orabug: 36228608 - Fix local-fs and remote-fs targets during system boot replaces old Orabug: 25897792 Orabug: 35871376 - 1A Add 'systemd-fstab-generator-reload-targets.service' file Orabug: 35871376 - 1B Add required rpms for...

CVE-2021-47329

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Fix resource leak in case of probe failure The driver doesn't clean up all the allocated resources properly when scsiaddhost, megasasstartaen function fails during the PCI device probe. Clean up all those...

CVE-2021-47328

A vulnerability was found in the Linux kernel's iSCSI subsystem, where the iscsiconnteardown function could use a freed connection during resets. This occurs if the connection is freed while still being accessed by error handler threads, potentially causing system instability or crashes. Mitigati...

CVE-2021-47325

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fix armsmmudevice refcount leak in address translation The reference counting issue happens in several exception handling paths of armsmmuiovatophyshard. When those error scenarios occur, the function forgets to...

CVE-2021-47322

A vulnerability was found in the pnfsmarkrequestcommit function in the Linux kernel's NFSv4 module. This issue can occur when attempting to reschedule write operations after a failed pNFS attempt, leading to a system crash or "Oops" condition. Mitigation Red Hat has investigated whether a possibl...

CVE-2021-47336

In the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smksetcipso Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: restrict byt...

CVE-2021-47335

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid racing on fsyncentryslab by multi filesystem instances As syzbot reported, there is an use-after-free issue during f2fs recovery: Use-after-free write at 0xffff88823bc16040 in kfence-10:...

CVE-2021-47354

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Avoid data corruptions Wait for all dependencies of a job to complete before killing it to avoid data corruptions...

CVE-2021-47349

In the Linux kernel, the following vulnerability has been resolved: mwifiex: bring down link before deleting interface We can deadlock when rmmod'ing the driver or going through firmware reset, because the cfg80211unregisterwdev has to bring down the link for us, ... which then grab the same wiph...

CVE-2021-47366

A flaw was found in the Linux kernel's experimental Andrew File System driver, leading to corruption in reads. This issue could allow a user to read incorrect data if this file system is being used. Mitigation To mitigate this issue, prevent module kafs from being loaded. Please see...

CVE-2021-47358

A use-after-free flaw was in the Linux kernel’s Greybus UART driver when a user held a tty open. This flaw allows a local user to crash the system. Mitigation Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria...

CVE-2021-47357

A use-after-free flaw was found in the Linux kernel’s ATM networking card driver in how a user unloads the driver's module. This flaw allows a local user to crash the system. Mitigation To mitigate this issue, prevent module atm from being loaded. Please see...

CVE-2021-47370

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure tx skbs always have the MPTCP ext Due to signed/unsigned comparison, the expression: info-sizegoal - skb-len 0 evaluates to true when the size goal is smaller than the skb size. That results in lack of tx cache...

CVE-2021-47378

A vulnerability was found in the Linux kernel's nvme-rdma driver where the driver failed to destroy a component cmid before another component qp was destroyed. This issue occurs when the kernel incorrectly manages memory during RDMA, leading to a potential use-after-free. Mitigation Red Hat has...

systemd-resolved: Unsigned name response in signed zone is not refused when DNSSEC=yes

A vulnerability was found in systemd-resolved. This issue may allow systemd-resolved to accept records of DNSSEC-signed domains even when they have no signature, allowing man-in-the-middles or the upstream DNS resolver to manipulate records...

CVE-2021-47489

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix even more out of bound writes from debugfs CVE-2021-42327 was fixed by: commit f23750b5b3d98653b31d4469592935ef6364ad67 Author: Thelford Williams Date: Wed Oct 13 16:04:13 2021 -0400 drm/amdgpu: fix out of bounds...

CVE-2021-47474

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

CVE-2021-47414

In the Linux kernel, the following vulnerability has been resolved: riscv: Flush current cpu icache before other cpus On SiFive Unmatched, I recently fell onto the following BUG when booting: 0.000000 ftrace: allocating 36610 entries in 144 pages 0.000000 Oops - illegal instruction 1 0.000000...

CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47427

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi: Fix iscsitask use after free Commit d39df158518c "scsi: iscsi: Have abort handler get ref to conn" added iscsigetconn/iscsiputconn calls during abort handling but then also changed the handling of the case where we...