# CVE-2020-8835: kernel-uek: [5.4.17-2011.1.2] - ctf: discard CTF from the vDSO (Nick Alcock) [Orabug: 31194036] [5.4.17-2011.1.1] - slcan: Don'... CVE-2020-8835 is fixed in 9 products on 1 platform, first by ELSA-2020-5663, released April 27, 2020. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2020-8835 - Priority: High - CVSS: 7.8 (IMPORTANT) - EPSS: 0.0601 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 27, 2020 ## Description [5.4.17-2011.1.2] - ctf: discard CTF from the vDSO (Nick Alcock) [Orabug: 31194036] [5.4.17-2011.1.1] - slcan: Don't transmit uninitialized stack data in padding (Richard Palethorpe) [Orabug: 31136750] {CVE-2020-11494} - blktrace: Protect q->blk_trace with RCU (Jan Kara) [Orabug: 31123573] {CVE-2019-19768} - KVM: x86: clear stale x86_emulate_ctxt->intercept value (Vitaly Kuznetsov) [Orabug: 31118688] - perf/x86/amd: Add support for Large Increment per Cycle Events (Kim Phillips) [Orabug: 31104924] - perf/x86/amd: Constrain Large Increment per Cycle events (Kim Phillips) [Orabug: 31104924] - kvm/svm: PKU not currently supported (John Allen) [Orabug: 31104924] - KVM: SVM: Override default MMIO mask if memory encryption is enabled (Tom Lendacky) [Orabug: 31104924] - EDAC/amd64: Drop some family checks for newer systems (Yazen Ghannam) [Orabug: 31104924] - x86/amd_nb: Add Family 19h PCI IDs (Yazen Ghannam) [Orabug: 31104924] - EDAC/mce_amd: Always load on SMCA systems (Yazen Ghannam) [Orabug: 31104924] - x86/MCE/AMD, EDAC/mce_amd: Add new Load Store unit McaType (Yazen Ghannam) [Orabug: 31104924] - EDAC/amd64: Add family ops for Family 19h Models 00h-0Fh (Yazen Ghannam) [Orabug: 31104924] - EDAC/amd64: Check for memory before fully initializing an instance (Yazen Ghannam) [Orabug: 31104924] - EDAC/amd64: Use cached data when checking for ECC (Yazen Ghannam) [Orabug: 31104924] - EDAC/amd64: Save max number of controllers to family type (Yazen Ghannam) [Orabug: 31104924] - EDAC/amd64: Gather hardware information early (Yazen Ghannam) [Orabug: 31104924] - EDAC/amd64: Make struct amd64_family_type global (Yazen Ghannam) [Orabug: 31104924] - floppy: check FDC index for errors before assigning it (Linus Torvalds) [Orabug: 31067510] {CVE-2020-9383} - KVM: SVM: Guard against DEACTIVATE when performing WBINVD/DF_FLUSH (Tom Lendacky) [Orabug: 31012269] - KVM: SVM: Serialize access to the SEV ASID bitmap (Tom Lendacky) [Orabug: 31012269] - iommu/vt-d: Allow devices with RMRRs to use identity domain (Lu Baolu) [Orabug: 31127400] [5.4.17-2011.1.0] - vhost: Check docket sk_family instead of call getname (Eugenio Perez) [Orabug: 31085989] {CVE-2020-10942} - selftests/net: add definition for SOL_DCCP to fix compilation errors for old libc (Alan Maguire) [Orabug: 31078892] - kernel: cpu.c: fix print typo about SMT status (Mihai Carabas) [Orabug: 31053334] - nfs: optimise readdir cache page invalidation (Dai Ngo) [Orabug: 31044292] - NFS: Directory page cache pages need to be locked when read (Trond Myklebust) [Orabug: 31044292] - rds: transport module should be auto loaded when transport is set (Rao Shoaib) [Orabug: 31032126] - efi: Fix a race and a buffer overflow while reading efivars via sysfs (Vladis Dronov) [Orabug: 31020408] - net: Support GRO/GSO fraglist chaining. (Steffen Klassert) [Orabug: 30670829] - net: Add fraglist GRO/GSO feature flags (Steffen Klassert) [Orabug: 30670829] - udp: Support UDP fraglist GRO/GSO. (Steffen Klassert) [Orabug: 30670829] - net: remove the check argument from __skb_gro_checksum_convert (Li RongQing) [Orabug: 30670829] - Revert 'nvme_fc: add module to ops template to allow module references' (John Donnelly) [Orabug: 31119387] - ext4: add cond_resched() to ext4_protect_reserved_inode (Shijie Luo) [Orabug: 31067112] {CVE-2020-8992} - dsa: disable module unloading for ARM64 (Allen Pais) [Orabug: 30456791] - bpf: Undo incorrect __reg_bound_offset32 handling (Daniel Borkmann) [Orabug: 31127385] {CVE-2020-8835} - bpf: Fix tnum constraints for 32-bit comparisons (Jann Horn) [Orabug: 31127385] {CVE-2020-8835} ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | kernel-uek ol 8 | 0:5.4.17-2011.1.2.el8uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | kernel-uek-debug ol 8 | 0:5.4.17-2011.1.2.el8uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2011.1.2.el8uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | kernel-uek-devel ol 8 | 0:5.4.17-2011.1.2.el8uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | kernel-uek-doc ol 8 | 0:5.4.17-2011.1.2.el8uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | kernel-uek-tools ol 8 | 0:5.4.17-2011.1.2.el7uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2011.1.2.el7uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | perf ol 8 | 0:5.4.17-2011.1.2.el7uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | | Linux | python-perf ol 8 | 0:5.4.17-2011.1.2.el7uek | [ELSA-2020-5663](https://patchblox.com/security/data/fix/linux/elsa-2020-5663.md) | Apr 27, 2020 | --- Data as of 2026-11-07T18:46:35Z UTC. 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