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Medium ELSA-2024-10943 9 CVEs

Moderate: kernel security update (Oracle Linux 8)

Published Dec 11, 2024 · Updated Dec 11, 2024

Summary

[4.18.0-553.32.1_10.OL8]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.3
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]

[4.18.0-553.32.1_10]
- irqchip/gic-v4: Correctly deal with set_affinity on lazily-mapped VPEs (Charles Mirabile) [RHEL-66965] {CVE-2024-50192}
- irqchip/gic-v4: Don't allow a VMOVP on a dying VPE (Charles Mirabile) [RHEL-66965] {CVE-2024-50192}
- blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race (Ming Lei) [RHEL-65158] {CVE-2024-50082}
- gfs2: fix double destroy_workqueue error (Andreas Gruenbacher) [RHEL-62869]
- Revert 'GFS2: Don't add all glocks to the lru' (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Use list_move_tail instead of list_del/list_add_tail (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Revise glock reference counting model (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Switch to a per-filesystem glock workqueue (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Report when glocks cannot be freed for a long time (Andreas Gruenbacher) [RHEL-62869]
- gfs2: gfs2_glock_get cleanup (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Invert the GLF_INITIAL flag (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Rename handle_callback to request_demote (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Rename GLF_FROZEN to GLF_HAVE_FROZEN_REPLY (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Rename GLF_REPLY_PENDING to GLF_HAVE_REPLY (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Rename GLF_FREEING to GLF_UNLOCKED (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Remove useless return statement in run_queue (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Remove unnecessary function prototype (Andreas Gruenbacher) [RHEL-62869]
- gfs2: finish_xmote cleanup (Andreas Gruenbacher) [RHEL-62869]
- gfs2: Replace gfs2_glock_queue_put with gfs2_glock_put_async (Andreas Gruenbacher) [RHEL-62869]
- KVM: selftests: memslot_perf_test: increase guest sync timeout (Maxim Levitsky) [RHEL-19080]
- vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans (Jon Maloy) [RHEL-68025] {CVE-2024-50264}
- md/raid5: Wait sync io to finish before changing group cnt (Nigel Croxon) [RHEL-58585]

[4.18.0-553.31.1_10]
- xfrm: fix one more kernel-infoleak in algo dumping (Sabrina Dubroca) [RHEL-65955] {CVE-2024-50110}
- netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6() (Florian Westphal) [RHEL-66862] {CVE-2024-50256}
- netfilter: nf_reject: Fix build warning when CONFIG_BRIDGE_NETFILTER=n (Florian Westphal) [RHEL-66862]
- netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() (Florian Westphal) [RHEL-66862]
- cifs: fix return of uninitialized rc in dfs_cache_update_tgthint() (Paulo Alcantara) [RHEL-7988]
- cifs: handle cache lookup errors different than -ENOENT (Paulo Alcantara) [RHEL-7988]
- cifs: don't take exclusive lock for updating target hints (Paulo Alcantara) [RHEL-7988]
- cifs: avoid re-lookups in dfs_cache_find() (Paulo Alcantara) [RHEL-7988]
- cifs: fix potential deadlock in cache_refresh_path() (Paulo Alcantara) [RHEL-7988]
- cifs: don't refresh cached referrals from unactive mounts (Paulo Alcantara) [RHEL-7988]
- cifs: return ENOENT for DFS lookup_cache_entry() (Paulo Alcantara) [RHEL-7988]
- selinux,smack: don't bypass permissions check in inode_setsecctx hook (Ondrej Mosnacek) [RHEL-66104] {CVE-2024-46695}
- gfs2: Prevent inode creation race (Andreas Gruenbacher) [RHEL-67823]
- gfs2: Only defer deletes when we have an iopen glock (Andreas Gruenbacher) [RHEL-67823]
- arm64: probes: Remove broken LDR (literal) uprobe support (Mark Salter) [RHEL-66042] {CVE-2024-50099}
- net: avoid potential underflow in qdisc_pkt_len_init() with UFO (Davide Caratti) [RHEL-65399] {CVE-2024-49949}
- xfrm: validate new SA's prefixlen using SA family when sel.family is unset (Sabrina Dubroca) [RHEL-66457] {CVE-2024-50142}

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.32.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.32.1.el8_10

Vulnerabilities 9

  • Critical 9.8

    selinux,smack: don't bypass permissions check in inode_setsecctx hook

    In the Linux kernel, the following vulnerability has been resolved: selinux,smack: don't bypass permissions check in inode_setsecctx hook Marek Gresko reports that the root user on an NFS client is able to change the security labels on files on an NFS filesys…

  • High 7.8

    blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race

    In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race We're seeing crashes from rq_qos_wake_function that look like this: BUG: unable to handle page fault for address: ffffafe180…

  • High 7.8

    vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans

    In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans During loopback communication, a dangling pointer can be created in vsk->trans, potentially leading to a Use-After…

  • High 7.5

    netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6() I got a syzbot report without a repro [1] crashing in nf_send_reset6() I think the issue is that dev->hard_header_len is zer…

  • High 7.3

    arm64: probes: Remove broken LDR (literal) uprobe support

    In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Remove broken LDR (literal) uprobe support The simulate_ldr_literal() and simulate_ldrsw_literal() functions are unsafe to use for uprobes. Both functions were originally writt…

  • Medium 5.5

    xfrm: fix one more kernel-infoleak in algo dumping

    In the Linux kernel, the following vulnerability has been resolved: xfrm: fix one more kernel-infoleak in algo dumping During fuzz testing, the following issue was discovered: BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30 _copy_to_iter+0x598/0x2a3…

  • Medium 5.5

    xfrm: validate new SA's prefixlen using SA family when sel.family is unset

    In the Linux kernel, the following vulnerability has been resolved: xfrm: validate new SA's prefixlen using SA family when sel.family is unset This expands the validation introduced in commit 07bf7908950a ("xfrm: Validate address prefix lengths in the xfrm se…

  • Medium 4.7

    irqchip/gic-v4: Don't allow a VMOVP on a dying VPE

    In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v4: Don't allow a VMOVP on a dying VPE Kunkun Jiang reported that there is a small window of opportunity for userspace to force a change of affinity for a VPE while the VPE has al…

  • Unscored —

    net: avoid potential underflow in qdisc_pkt_len_init() with UFO

    In the Linux kernel, the following vulnerability has been resolved: net: avoid potential underflow in qdisc_pkt_len_init() with UFO After commit 7c6d2ecbda83 ("net: be more gentle about silly gso requests coming from user") virtio_net_hdr_to_skb() had sanity …