CVE-2023-52739

In the Linux kernel, the following vulnerability has been resolved: Fix page corruption caused by racy check in freepages When we upgraded our kernel, we started seeing some page corruption like the following consistently: BUG: Bad page state in process ganesha.nfsd pfn:1304ca page:0000000022261c...

CVE-2023-52700

In the Linux kernel, the following vulnerability has been resolved: tipc: fix kernel warning when sending SYN message When sending a SYN message, this kernel stack trace is observed: ... 13.396352 RIP: 0010:copyfromiter+0xb4/0x550 ... 13.398494 Call Trace: 13.398630 13.398630 ? allocskb+0xed/0x1a...

CVE-2023-52850

In the Linux kernel, the following vulnerability has been resolved: media: hantro: Check whether reset op is defined before use The i.MX8MM/N/P does not define the .reset op since reset of the VPU is done by genpd. Check whether the .reset op is defined before calling it to avoid NULL pointer...

CVE-2023-52874

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Zero out the missing RSI in TDXHYPERCALL macro In the TDXHYPERCALL asm, after the TDCALL instruction returns from the untrusted VMM, the registers that the TDX guest shares to the VMM need to be cleared to avoid...

CVE-2023-52874 x86/tdx: Zero out the missing RSI in TDX_HYPERCALL macro

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Zero out the missing RSI in TDXHYPERCALL macro In the TDXHYPERCALL asm, after the TDCALL instruction returns from the untrusted VMM, the registers that the TDX guest shares to the VMM need to be cleared to avoid...

CVE-2023-52839 drivers: perf: Do not broadcast to other cpus when starting a counter

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: Do not broadcast to other cpus when starting a counter This command: $ perf record -e cycles:k -e instructions:k -c 10000 -m 64M dd if=/dev/zero of=/dev/null count=1000 gives rise to this kernel warning: 444.364395...

CVE-2023-52839 drivers: perf: Do not broadcast to other cpus when starting a counter

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: Do not broadcast to other cpus when starting a counter This command: $ perf record -e cycles:k -e instructions:k -c 10000 -m 64M dd if=/dev/zero of=/dev/null count=1000 gives rise to this kernel warning: 444.364395...

CVE-2023-52834

In the Linux kernel, the following vulnerability has been resolved: atl1c: Work around the DMA RX overflow issue This is based on alx driver commit 881d0327db37 "net: alx: Work around the DMA RX overflow issue". The alx and atl1c drivers had RX overflow error which was why a custom allocator was...

CVE-2023-52788

In the Linux kernel, the following vulnerability has been resolved: i915/perf: Fix NULL deref bugs with drmdbg calls When i915 perf interface is not available dereferencing it will lead to NULL dereferences. As returning -ENOTSUPP is pretty clear return when perf interface is not available...

CVE-2023-52761 riscv: VMAP_STACK overflow detection thread-safe

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

CVE-2023-52750 arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM's integrated assembler would incorrectly byte-swap NOP when compiling for big-endian, and the resulting series of bytes happened to match...

CVE-2023-52739 Fix page corruption caused by racy check in __free_pages

In the Linux kernel, the following vulnerability has been resolved: Fix page corruption caused by racy check in freepages When we upgraded our kernel, we started seeing some page corruption like the following consistently: BUG: Bad page state in process ganesha.nfsd pfn:1304ca page:0000000022261c...

CVE-2023-52704 freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL

In the Linux kernel, the following vulnerability has been resolved: freezer,umh: Fix callusermodehelperexec vs SIGKILL Tetsuo-San noted that commit f5d39b020809 "freezer,sched: Rewrite core freezer logic" broke callusermodehelperexec for the KILLABLE case. Specifically it was missed that the...

CVE-2023-52704 freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL

In the Linux kernel, the following vulnerability has been resolved: freezer,umh: Fix callusermodehelperexec vs SIGKILL Tetsuo-San noted that commit f5d39b020809 "freezer,sched: Rewrite core freezer logic" broke callusermodehelperexec for the KILLABLE case. Specifically it was missed that the...

CVE-2023-52704

In the Linux kernel, the following vulnerability has been resolved: freezer,umh: Fix callusermodehelperexec vs SIGKILL Tetsuo-San noted that commit f5d39b020809 "freezer,sched: Rewrite core freezer logic" broke callusermodehelperexec for the KILLABLE case. Specifically it was missed that the...

CVE-2023-52700

In the Linux kernel, the following vulnerability has been resolved: tipc: fix kernel warning when sending SYN message When sending a SYN message, this kernel stack trace is observed: ... 13.396352 RIP: 0010:copyfromiter+0xb4/0x550 ... 13.398494 Call Trace: 13.398630 13.398630 ? allocskb+0xed/0x1a...

CVE-2023-52700 tipc: fix kernel warning when sending SYN message

In the Linux kernel, the following vulnerability has been resolved: tipc: fix kernel warning when sending SYN message When sending a SYN message, this kernel stack trace is observed: ... 13.396352 RIP: 0010:copyfromiter+0xb4/0x550 ... 13.398494 Call Trace: 13.398630 13.398630 ? allocskb+0xed/0x1a...

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...

DEBIAN-CVE-2021-47406

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...

CVE-2021-47406

In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to ext4mapblocks fails due to an corrupted file system, ext4extreplaysetiblocks can get stuck in an infinite loop. This could be reproduced by running generic/526 wi...