CVE-2023-53004 ovl: fix tmpfile leak

In the Linux kernel, the following vulnerability has been resolved: ovl: fix tmpfile leak Missed an error cleanup...

CVE-2023-53004

CVE-2023-53004 concerns a Linux kernel overlay (ovl) tmpfile leak due to a missed error cleanup. The vulnerability is resolved in the kernel with patches referenced by the stable commits listed in the sources. The CVSSv3.1 vector indicates LOCAL attack vector, LOW attack complexity and privileges...

CVE-2023-53002

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix a memory leak with reused mmapoffset drmvmanodeallow and drmvmanoderevoke should be called in balanced pairs. We call drmvmanodeallow once per-file everytime a user calls mmapoffset, but only call drmvmanoderevoke...

CVE-2023-52999

CVE-2023-52999 : In the Linux kernel, the UaF in netns ops registration error path is resolved by skipping the dereference of the gen pointer when net_assign_generic() fails, preventing a slab-out-of-bounds write. The change fixes ops_init/error path behavior after failure, addressing an out-of-b...

CVE-2023-52999 net: fix UaF in netns ops registration error path

In the Linux kernel, the following vulnerability has been resolved: net: fix UaF in netns ops registration error path If netassigngeneric fails, the current error path in opsinit tries to clear the gen pointer slot. Anyway, in such error path, the gen pointer itself has not been modified yet, and...

CVE-2023-52999

In the Linux kernel, the following vulnerability has been resolved: net: fix UaF in netns ops registration error path If netassigngeneric fails, the current error path in opsinit tries to clear the gen pointer slot. Anyway, in such error path, the gen pointer itself has not been modified yet, and...

CVE-2023-52996

In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in fibmetricsmatch if !type continue; if type RTAXMAX return false; ... fival = fi-fibmetrics-metricstype - 1; @type being used as an array index, we need to prevent cpu speculation or ri...

CVE-2023-52995

CVE-2023-52995 concerns a Linux kernel vulnerability in riscv/kprobe instruction simulation for JALR when probing vfs_write. The flaw could cause a crash (kernel Oops) with an invalid user-memory access, as shown in the crash trace (e.g., Unable to handle kernel access to user memory without uacc...

CVE-2023-52995 riscv/kprobe: Fix instruction simulation of JALR

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: Fix instruction simulation of JALR Set kprobe at 'jalr 1140ra' of vfswrite results in the following crash: 32.092235 Unable to handle kernel access to user memory without uaccess routines at virtual address...

CVE-2023-52995 riscv/kprobe: Fix instruction simulation of JALR

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: Fix instruction simulation of JALR Set kprobe at 'jalr 1140ra' of vfswrite results in the following crash: 32.092235 Unable to handle kernel access to user memory without uaccess routines at virtual address...

CVE-2023-52986 bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Check for any of tcpbpfprots when cloning a listener A listening socket linked to a sockmap has its skprot overridden. It points to one of the struct proto variants in tcpbpfprots. The variant depends on the socket'...

CVE-2023-52983

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bicsetbfqq After commit 64dc8c732f5c "block, bfq: fix possible uaf for 'bfqq-bic'", bic-bfqq will be accessed in bicsetbfqq, however, in some context bic-bfqq will be freed, and bicsetbfqq is calle...

CVE-2023-52983 block, bfq: fix uaf for bfqq in bic_set_bfqq()

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bicsetbfqq After commit 64dc8c732f5c "block, bfq: fix possible uaf for 'bfqq-bic'", bic-bfqq will be accessed in bicsetbfqq, however, in some context bic-bfqq will be freed, and bicsetbfqq is calle...

CVE-2023-52983

The CVE-2023-52983 issue affects the Linux kernel’s bfq (multiqueue block I/O) subsystem. It describes a use-after-free (UAF) where bic_set_bfqq() could access a bfqq after it had been freed in certain contexts. The root cause was that bfqq was freed in the wrong place relative to bic_set_bfqq(),...

CVE-2023-52982

CVE-2023-52982 affects the Linux kernel fscache path for relinquished volumes. The root cause is a mismatch between wake_up_bit() and wait_var_event() on different wait-queues, which could prevent a waiter from waking and cause a hang if wake-ups are delayed. The fixes described in the sources sw...

CVE-2023-52980

In the Linux kernel, the following vulnerability has been resolved: block: ublk: extending queuesize to fix overflow When validating drafted SPDK ublk target, in a case that assigning large queue depth to multiqueue ublk device, ublk target would run into a weird incorrect state. During rounds of...

CVE-2023-52976 efi: fix potential NULL deref in efi_mem_reserve_persistent

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efimemreservepersistent When iterating on a linked list, a result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back on allocating a new page in case...

CVE-2023-52975 scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975 scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

CVE-2023-52975 scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...