Code injection

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452...

UBUNTU-CVE-2020-25212

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452...

CVE-2020-25211

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlinkparsetuplefilter in net/netfilter/nfconntracknetlink.c, aka CID-1cc5ef91d2ff...

EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1859)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A...

In the Linux kernel 4.4 through 5.7.6 usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak aka CID-28ebeb8db770.

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An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata aka CID-d0c7feaf8767.

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The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.

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CVE-2020-15852

An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tssinvalidateiobitmap mishandling causes a loss of synchronization between the I/O bitmaps ...

CVE-2020-15780

An issue was discovered in drivers/acpi/acpiconfigfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30...

Code injection

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivarssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032...

Memory corruption

In the Linux kernel 4.4 through 5.7.6, usbtestdisconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770...

CVE-2020-15393

In the Linux kernel 4.4 through 5.7.6, usbtestdisconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770...

CVE-2019-19227

In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because registersnapclient may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregistersnapclient, aka CID-9804501fa122...

CVE-2020-13143

gadgetdevdescUDCstore in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4...

DEBIAN-CVE-2020-13974

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if kascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case...

Amazon Linux AMI : kernel (ALAS-2020-1377)

The version of kernel installed on the remote host is prior to 4.14.181-108.257. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1377 advisory. In the Linux kernel 5.0.21, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-...

Design/Logic Flaw

An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption and soft lockup in a certain failure case involving TPACKETV3, aka CID-b43d1f9f7067...

CVE-2019-20812

An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption and soft lockup in a certain failure case involving TPACKETV3, aka CID-b43d1f9f7067...

Design/Logic Flaw

go7007sndinit in drivers/media/usb/go7007/snd-go7007.c in the Linux kernel before 5.6 does not call sndcardfree for a failure path, which causes a memory leak, aka CID-9453264ef586...

CVE-2019-20806

An issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864handleframe in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75...