# CVE-2020-10768: bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u...

CVE-2020-10768 is fixed in 48 products on 1 platform, first by RHSA-2020:3010, released July 21, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-10768
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0040
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 21, 2020

## Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: use-after-free in sound/core/timer.c (CVE-2019-19807)  * kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)  * kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection. (CVE-2020-10766)  * kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. (CVE-2020-10767)  * kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. (CVE-2020-10768)  * kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)  * kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)  * Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)  * kernel: kvm: Information leak within a KVM guest (CVE-2019-3016)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Bug Fix(es):  * [FJ8.2 Bug]: kernel: retrieving process core dump of the init process (PID 1) fails (BZ#1821378)  * [FJ8.0 Bug]: System hungs up after setting parameters for hugepages (BZ#1835789)  * RHEL8.2 Alpha - ISST-LTE:PowerVM: vNIC DLPAR crashes the LPAR (ibmvnic) (BZ#1836229)  * "[sig-network] Services should be rejected when no endpoints exist" test fails frequently on RHEL8 nodes (BZ#1836302)  * RHEL8.2 Beta - RHEL8.2 reports EEH errors on internal SAS adapter during HTX run on PMEM (SCM/pmem) (BZ#1842406)  * RHEL8.1 - s390/cio: fix virtio-ccw DMA without PV (BZ#1842620)  * deadlock between modprobe and netns exit (BZ#1845164)  * exit_boot failed when install RHEL8.1 (BZ#1846180)  * http request is taking more time for endpoint running on different host via nodeport service (BZ#1847128)  * RHEL8.1 - zEDC problems on z14 (genwqe/pci) (BZ#1847453)  * WARNING: CPU: 1 PID: 0 at arch/x86/kernel/apic/vector.c:846 free_moved_vector+0x141/0x150 (BZ#1848545)  * Backport conntrack race condition fixes (BZ#1851003)  * nf_conntrack module unload fail and refcount become to negative (BZ#1851005)  * OVS: backport performance patches from upstream to 8.2z (BZ#1851235)  * RHEL8.3: backport "smp: Allow smp_call_function_single_async() to insert locked csd" (BZ#1851406)  * [DELL EMC 8.2 BUG] NVMe drive is not detected after multiple hotplug (hot add + surprise remove) operations (BZ#1852045)  Enhancement(s):  * [Mellanox 8.3 FEAT] mlx5: drivers update upto Linux v5.5 (BZ#1843544)  * [IBM 8.3 FEAT] Update nvme driver to latest level for POWER (BZ#1846405)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | bpftool ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-abi-whitelists RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-abi-whitelists ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-core ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-debug ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-devel ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-doc ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-headers ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-modules ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-193.13.2.rt13.65.el8_2 | [RHSA-2020:3016](https://patchblox.com/security/data/fix/linux/rhsa-2020-3016.md) | Jul 21, 2020 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-tools ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | kernel-uek ol 8 | 0:5.4.17-2011.5.3.el8uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-uek-debug ol 8 | 0:5.4.17-2011.5.3.el8uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2011.5.3.el8uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-uek-devel ol 8 | 0:5.4.17-2011.5.3.el8uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-uek-doc ol 8 | 0:5.4.17-2011.5.3.el8uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2011.5.3.el7uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2011.5.3.el7uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | kpatch-patch-4_18_0-193 RHEL 8 | 0:1-5.el8 | [RHSA-2020:3073](https://patchblox.com/security/data/fix/linux/rhsa-2020-3073.md) | Jul 21, 2020 |
| Linux | kpatch-patch-4_18_0-193_1_2 RHEL 8 | 0:1-3.el8_2 | [RHSA-2020:3073](https://patchblox.com/security/data/fix/linux/rhsa-2020-3073.md) | Jul 21, 2020 |
| Linux | kpatch-patch-4_18_0-193_6_3 RHEL 8 | 0:1-2.el8_2 | [RHSA-2020:3073](https://patchblox.com/security/data/fix/linux/rhsa-2020-3073.md) | Jul 21, 2020 |
| Linux | perf RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | perf ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |
| Linux | python-perf ol 8 | 0:5.4.17-2011.5.3.el7uek | [ELSA-2020-5805](https://patchblox.com/security/data/fix/linux/elsa-2020-5805.md) | Aug 10, 2020 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-193.13.2.el8_2 | [RHSA-2020:3010](https://patchblox.com/security/data/fix/linux/rhsa-2020-3010.md) | Jul 21, 2020 |
| Linux | python3-perf ol 8 | 0:4.18.0-193.13.2.el8_2 | [ELSA-2020-3010](https://patchblox.com/security/data/fix/linux/elsa-2020-3010.md) | Jul 24, 2020 |

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