A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel. This issue could be exploited to trigger a denial of service.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in     drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel. This     issue could be exploited to trigger a denial of service. (CVE-2023-6679)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0461 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

    * kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

    * kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

    * kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

    * kernel: vmwgfx: reference count issue leads to use-after-free in surface handling (CVE-2023-5633)

    * kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

    * kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

    * kernel: vmwgfx: integer overflow in vmwgfx_execbuf.c (CVE-2022-36402)

    * kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)

    * kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

    * kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

    * kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)

    * kernel: use after free in nft_immediate_deactivate (CVE-2023-4015)

    * kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment     (CVE-2023-38409)

    * kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)

    * kernel: SEV-ES local priv escalation (CVE-2023-46813)

    * kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c     (CVE-2023-6679)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0461 advisory.

    - nfp: fix use-after-free in area_cache_get() (Ricardo Robaina) [RHEL-19456 RHEL-19536 RHEL-6566     RHEL-7241] {CVE-2022-3545}
    - fbcon: set_con2fb_map needs to set con2fb_map! (Jocelyn Falempe) [RHEL-1106 RHEL-1109 RHEL-12930     RHEL-13899] {CVE-2023-38409}
    - fbcon: Fix error paths in set_con2fb_map (Jocelyn Falempe) [RHEL-1106 RHEL-1109 RHEL-12930 RHEL-13899]     {CVE-2023-38409}
    - net: tun: fix bugs for oversize packet when napi frags enabled (Ricardo Robaina) [RHEL-12495 RHEL-12496     RHEL-7186 RHEL-7264] {CVE-2023-3812}
    - netfilter: nf_tables: skip immediate deactivate in _PREPARE_ERROR (Florian Westphal) [RHEL-10536     RHEL-10538 RHEL-10537 RHEL-10539] {CVE-2023-4015}
    - dpll: sanitize possible null pointer dereference in dpll_pin_parent_pin_set() (Michal Schmidt)     [RHEL-19677 RHEL-19095] {CVE-2023-6679}
    - dpll: Fix potential msg memleak when genlmsg_put_reply failed (Michal Schmidt) [RHEL-19677 RHEL-19095]     {CVE-2023-6679}
    - Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb (Bastien Nocera) [RHEL-19003 RHEL-2717]     {CVE-2023-40283}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12149 advisory.

    - net/sched: sch_hfsc: Ensure inner classes have fsc curve {CVE-2023-4623}
    - net/sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve {CVE-2023-4623}
    - dpll: core: Add DPLL framework base functions {CVE-2023-6679}
    - dpll: spec: Add Netlink spec in YAML {CVE-2023-6679}
    - dpll: netlink: Add DPLL framework base functions {CVE-2023-6679}
    - netdev: expose DPLL pin handle for netdevice {CVE-2023-6679}
    - netdev: Remove unneeded semicolon {CVE-2023-6679}
    - dpll: netlink/core: add support for pin-dpll signal phase offset/adjust {CVE-2023-6679}
    - dpll: netlink/core: change pin frequency set behavior {CVE-2023-6679}
    - dpll: Fix potential msg memleak when genlmsg_put_reply failed {CVE-2023-6679}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 39 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2024-2116a8468b advisory.

    The 6.7.3 stable kernel rebase contains new features, improved hardware support, and a number of important     fixes across the tree.


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 38 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2024-cf47b35a6c advisory.

    The 6.7.3 stable kernel rebase contains new features, improved hardware support, and a number of important     fixes across the tree.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0439 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe     (CVE-2023-2163)

    * kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

    * kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

    * kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)

    * kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

    * kernel: Race Condition leading to UAF in Unix Socket could happen in sk_receive_queue (BZ#2230094)

    * kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

    * kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)

    * kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

    * kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

    * kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

    * kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race (CVE-2023-3567)

    * kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)

    * kernel: use after free in nft_immediate_deactivate (CVE-2023-4015)

    * kernel: A heap out-of-bounds write (CVE-2023-5717)

    * hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)

    * kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment     (CVE-2023-38409)

    * kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)

    * kernel: SEV-ES local priv escalation (CVE-2023-46813)

    * kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

    * kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c     (CVE-2023-6679)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0448 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe     (CVE-2023-2163)

    * kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

    * kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

    * kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)

    * kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

    * kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

    * kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)

    * kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

    * kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

    * kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

    * kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race (CVE-2023-3567)

    * kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)

    * kernel: use after free in nft_immediate_deactivate (CVE-2023-4015)

    * kernel: A heap out-of-bounds write (CVE-2023-5717)

    * hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)

    * kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment     (CVE-2023-38409)

    * kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)

    * kernel: SEV-ES local priv escalation (CVE-2023-46813)

    * kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

    * kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c     (CVE-2023-6679)

    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):

    * sev-guest is not loaded automatically in the guest kernel when sev-snp is enabled (BZ#2218934)

    * Cgroups v2: Current interface to disable cpu load balancing not compatible with kubernetes cgroup     hierarchy (BZ#2238754)

    * WPC ice driver misc irq not getting generated for a interface. (BZ#2245881)

    * RHEL9.0 - s390/qeth: NET2016 - fix use-after-free in HSCI (BZ#2247798)

    * pNFS/filelayout: treat GETDEVICEINFO errors as layout failure (BZ#2249557)

    * cifs: fix dentry lookups in directory handle cache (BZ#2249558)

    * Performance regression with random 2 KiB writes to ext4 filesystem with 4 KiB filesystem blocks     (BZ#2249685)

    * kernel.spec: Fix UKI naming to comply with BLS (BZ#2254546)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
227097	Linux Distros Unpatched Vulnerability : CVE-2023-6679	Nessus	Misc.	medium
194405	RHEL 9 : kernel (RHSA-2024:0461)	Nessus	Red Hat Local Security Checks	high
191728	Oracle Linux 9 : kernel (ELSA-2024-0461)	Nessus	Oracle Linux Local Security Checks	high
190378	Oracle Linux 9 : kernel (ELSA-2024-12149)	Nessus	Oracle Linux Local Security Checks	high
190015	Fedora 39 : kernel / kernel-headers (2024-2116a8468b)	Nessus	Fedora Local Security Checks	high
190013	Fedora 38 : kernel / kernel-headers (2024-cf47b35a6c)	Nessus	Fedora Local Security Checks	medium
189572	RHEL 9 : kernel-rt (RHSA-2024:0439)	Nessus	Red Hat Local Security Checks	high
189552	RHEL 9 : kernel (RHSA-2024:0448)	Nessus	Red Hat Local Security Checks	high

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