CVE-2024-47734 Affecting kernel-uek-debug-core package, versions <0:5.15.0-303.171.5.2.el8uek
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ORACLE8-KERNELUEKDEBUGCORE-8539211
- published20 Dec 2024
- disclosed21 Oct 2024
Introduced: 21 Oct 2024
CVE-2024-47734 (opens in a new tab)How to fix?
Upgrade Oracle:8 kernel-uek-debug-core to version 0:5.15.0-303.171.5.2.el8uek or higher.
This issue was patched in ELSA-2024-12887.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-core package and not the kernel-uek-debug-core package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()
syzbot reported a WARNING in bond_xdp_get_xmit_slave. To reproduce this[1], one bond device (bond1) has xdpdrv, which increases bpf_master_redirect_enabled_key. Another bond device (bond0) which is unsupported by XDP but its slave (veth3) has xdpgeneric that returns XDP_TX. This triggers WARN_ON_ONCE() from the xdp_master_redirect(). To reduce unnecessary warnings and improve log management, we need to delete the WARN_ON_ONCE() and add ratelimit to the netdev_err().
[1] Steps to reproduce: # Needs tx_xdp with return XDP_TX; ip l add veth0 type veth peer veth1 ip l add veth3 type veth peer veth4 ip l add bond0 type bond mode 6 # BOND_MODE_ALB, unsupported by XDP ip l add bond1 type bond # BOND_MODE_ROUNDROBIN by default ip l set veth0 master bond1 ip l set bond1 up # Increases bpf_master_redirect_enabled_key ip l set dev bond1 xdpdrv object tx_xdp.o section xdp_tx ip l set veth3 master bond0 ip l set bond0 up ip l set veth4 up # Triggers WARN_ON_ONCE() from the xdp_master_redirect() ip l set veth3 xdpgeneric object tx_xdp.o section xdp_tx
References
- https://linux.oracle.com/cve/CVE-2024-47734.html
- https://linux.oracle.com/errata/ELSA-2024-12887.html
- https://git.kernel.org/stable/c/0cbfd45fbcf0cb26d85c981b91c62fe73cdee01c
- https://git.kernel.org/stable/c/57b5fba55c6f8b1d83312a34bd656166fcd95658
- https://git.kernel.org/stable/c/6b64197b4bf1a5703a8b105367baf20f1e627a75
- https://git.kernel.org/stable/c/72e2c0825a480e19ee999cee9d018850d38c82b9
- https://git.kernel.org/stable/c/c1be35e774f8ed415e01209fddd963c5a74e8e9f
- https://git.kernel.org/stable/c/ccd3e6ff05e5236d1b9535f23f3e6622e0bb32b8