CVSS: 7.5EPSS: 0%CPEs: 22EXPL: 3CVE-2023-0045 – Incorrect indirect branch prediction barrier in the Linux Kernel
https://notcve.org/view.php?id=CVE-2023-0045
The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ib_prctl_set function updates the Thread Information Flags (TIFs) for the task and updates the SPEC_CTRL MSR on the function __speculation_ctrl_update, but the IBPB is only issued on the next schedule, when the TIF bits are checked. This leaves the victim vulnerable to values already injected on the BTB, prior to the prctl syscall. The patch that added the support for the conditional mitigation via prctl (ib_prctl_set) dates back to the kernel 4.9.176. We recommend upgrading past commit a664ec9158eeddd75121d39c9a0758016097fa96 • https://github.com/ASkyeye/CVE-2023-0045 https://github.com/es0j/CVE-2023-0045 https://git.kernel.org/tip/a664ec9158eeddd75121d39c9a0758016097fa96 https://github.com/google/security-research/security/advisories/GHSA-9x5g-vmxf-4qj8 https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html https://security.netapp.com/advisory/ntap-20230714-0001 • CWE-610: Externally Controlled Reference to a Resource in Another Sphere •
CVSS: 5.7EPSS: 0%CPEs: 3EXPL: 0CVE-2023-23039
https://notcve.org/view.php?id=CVE-2023-23039
An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove(). • https://lkml.org/lkml/2023/1/1/169 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2023-26242
https://notcve.org/view.php?id=CVE-2023-26242
afu_mmio_region_get_by_offset in drivers/fpga/dfl-afu-region.c in the Linux kernel through 6.1.12 has an integer overflow. • https://bugzilla.suse.com/show_bug.cgi?id=1208518 https://patchwork.kernel.org/project/linux-fpga/patch/20230206054326.89323-1-k1rh4.lee%40gmail.com https://security.netapp.com/advisory/ntap-20230406-0002 • CWE-190: Integer Overflow or Wraparound •
CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0CVE-2022-3424
https://notcve.org/view.php?id=CVE-2022-3424
A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system. • https://bugzilla.redhat.com/show_bug.cgi?id=2132640 https://github.com/torvalds/linux/commit/643a16a0eb1d6ac23744bb6e90a00fc21148a9dc https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html https://lore.kernel.org/all/20221019031445.901570-1-zyytlz.wz%40163.com https://security.netapp.com/advisory/ntap-20230406-0005 https://www.spinics.net/lists/kernel/msg4518970.html • CWE-416: Use After Free •
CVSS: 7.0EPSS: 0%CPEs: 2EXPL: 0CVE-2023-0590 – kernel: use-after-free due to race condition in qdisc_graft()
https://notcve.org/view.php?id=CVE-2023-0590
A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 ("net: sched: fix race condition in qdisc_graft()") not applied yet, then kernel could be affected. • https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html https://lore.kernel.org/all/20221018203258.2793282-1-edumazet%40google.com https://access.redhat.com/security/cve/CVE-2023-0590 https://bugzilla.redhat.com/show_bug.cgi?id=2165741 • CWE-416: Use After Free •