LSN-0121-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: ksmbd: ipc: fix use-after-free in ipcmsgsendrequest ipcmsgsendrequest waits for a generic netlink reply using an ipcmsgtableentry on the stack. In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix...

LSN-120-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU data initialised. In the Linux kernel, the...

LSN-0119-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: btrfs: ref-verify: fix use-after-free after invalid ref action At btrfsreftreemod after we successfully inserted the new ref entry local variable 'ref' into the respective block entry's rbtree local variable 'be', if we find an...

LSN-0116-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: net: atlantic: eliminate double free in error handling logic Driver has a logic leak in ring data allocation/free, where aqringfree could be called multiple times on same ring, if system is under stress and got memory allocation...

LSN-0114-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfqdispatchrequest KASAN reports a use-after-free report when doing normal scsi-mq test . In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test repo...

LSN-0113-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in async decryption Doing an async decryption large read crashes with a slab-use-after-free way down in the crypto API. In the Linux kernel, the following vulnerability has been resolved: ubifs: authenticatio...

LSN-0112-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've called vfssetlease. A delegation break runs a callback which immediately in nfsd4cbrecallprepare adds the delegation to delrecalllru...

LSN-0111-1 Kernel Live Patch Security Notice

It was discovered that the watchqueue event notification system contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service or escalate their privileges.CVE-2022-0995 In the Linux kernel, the following vulnerability has been resolved: smb: client:...

LSN-0110-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: require CAPNETADMIN to attach NGSM0710 ldisc Any unprivileged user can attach NGSM0710 ldisc, but it requires CAPNETADMIN to create a GSM network anyway. Require initial namespace CAPNETADMIN to do that.CVE-2023-52880 ...

LSN-0109-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: tls: fix use-after-free on failed backlog decryption When the decrypt request goes to the backlog and cryptoaeaddecrypt returns -EBUSY, tlsdodecryption will wait until all async decryptions have completed. If one of them fails,...

LSN-0108-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: tls: fix use-after-free on failed backlog decryption When the decrypt request goes to the backlog and cryptoaeaddecrypt returns -EBUSY, tlsdodecryption will wait until all async decryptions have completed. If one of them fails,...

LSN-0106-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: disallow timeout for anonymous sets Never used from userspace, disallow these parameters.CVE-2023-52620 In the Linux kernel, the following vulnerability has been resolved: tls: fix race between tx work...

LSN-0105-1 Kernel Live Patch Security Notice

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.CVE-2023-6270 It was discovered that the netfilter connecti...

LSN-0103-1 Kernel Live Patch Security Notice

Lonial Con discovered that the netfilter subsystem in the Linux kernel contained a memory leak when handling certain element flush operations. A local attacker could use this to expose sensitive information kernel memory.CVE-2023-4569 Xingyuan Mo discovered that the netfilter subsystem in the Lin...

LSN-0102-1 Kernel Live Patch Security Notice

It was discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2023-1872 Lonial Con discovered that the...

LSN-0101-1 Kernel Live Patch Security Notice

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did not properly handle inactive elements in its PIPAPO data structure, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

LSN-0100-1 Kernel Live Patch Security Notice

It was discovered that the SMB network file sharing protocol implementation in the Linux kernel did not properly handle certain error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

LSN-0099-1 Kernel Live Patch Security Notice

It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service host NIC availability.CVE-2022-3643 It was discovered that the virtual terminal driver in th...

LSN-0098-1 Kernel Live Patch Security Notice

It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2023-3090 It...

LSN-0096-1 Kernel Live Patch Security Notice

It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform data buffer size validation in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service system crash ...

LSN-0095-1 Kernel Live Patch Security Notice

It was discovered that the OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.CVE-2023-0386 It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel...

LSN-0094-1 Kernel Live Patch Security Notice

Lin Ma discovered a race condition in the iouring subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash.CVE-2023-0468 It was discovered that the Traffic-Control Index TCINDEX implementation in...

LSN-0090-1 Kernel Live Patch Security Notice

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-1015 David Bouman and Billy Jheng Bing Jhong discovered that a...

LSN-0089-1 Kernel Live Patch Security Notice

Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

LSN-0086-1 Kernel Live Patch Security Notice

It was discovered that a race condition existed in the network scheduling subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2021-39713 Yiqi Sun and Kevin Wang...

LSN-0084-1 Kernel Live Patch Security Notice

William Liu and Jamie Hill-Daniel discovered that the file system context functionality in the Linux kernel contained an integer underflow vulnerability, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service system crash or execute arbitrary...

LSN-0083-1 Kernel Live Patch Security Notice

The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.CVE-2018-25020...

LSN-0082-1 Kernel Live Patch Security Notice

Jann Horn discovered that the tty subsystem of the Linux kernel did not use consistent locking in some situations, leading to a read-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel...

LSN-0081-1 Kernel Live Patch Security Notice

Maxim Levitsky discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel did not properly prevent a guest VM from enabling AVIC in nested guest VMs. An attacker in a guest VM could use this to write to portions of the host's physical memory.CVE-2021-3653 Maxim...

LSN-0080-1 Kernel Live Patch Security Notice

Andy Nguyen discovered that the netfilter subsystem in the Linux kernel contained an out-of-bounds write in its setsockopt implementation. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2021-22555...

LSN-0079-1 Kernel Live Patch Security Notice

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.CVE-2021-3600 It was discovered that the virtual file system...

LSN-0077-1 Kernel Live Patch Security Notice

Vincent Dehors discovered that the shiftfs file system in the Ubuntu Linux kernel did not properly handle faults in copyfromuser when passing through ioctls to an underlying file system. A local attacker could use this to cause a denial of service memory exhaustion or execute arbitrary...

LSN-0076-1 Kernel Live Patch Security Notice

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges.CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT compil...

LSN-0074-1 Kernel Live Patch Security Notice

Elena Petrova discovered that the pin controller device tree implementation in the Linux kernel did not properly handle string references. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-0427 Andy Nguyen discovered that the Bluetooth A2MP implementation in...

LSN-0073-1 Kernel Live Patch Security Notice

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-12351 Andy Nguyen discovered that the...

LSN-0069-1 Kernel Live Patch Security Notice

Relayopen in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service such as relay blockage by triggering a NULL allocpercpu result. CVE-2019-19462 Fan Yang discovered that the mremap implementation in the Linux kernel did not properly handle DAX Huge Page...

LSN-0068-1 Kernel Live Patch Security Notice

It was discovered that the virtual terminal implementation in the Linux kernel did not properly handle resize events. A local attacker could use this to expose sensitive information. CVE-2020-8647 It was discovered that the virtual terminal implementation in the Linux kernel contained a race...

LSN-0067-1 Kernel Live Patch Security Notice

It was discovered that the Serial CAN interface driver in the Linux kernel did not properly initialize data. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-11494...

LSN-0066-1 Kernel Live Patch Security Notice

It was discovered that the virtual terminal implementation in the Linux kernel did not properly handle resize events. A local attacker could use this to expose sensitive information. CVE-2020-8647 It was discovered that the virtual terminal implementation in the Linux kernel contained a race...

LSN-0065-1 Kernel Live Patch Security Notice

Andrew Honig reported a flaw in the way KVM Kernel-based Virtual Machine emulated the IOAPIC. A privileged guest user could exploit this flaw to read host memory or cause a denial of service crash the host. CVE-2013-1798 It was discovered that the KVM implementation in the Linux kernel, when...