An unbreakable Enterprise kernel security update has been released for Oracle Linux 7.

ELSA-2023-12842 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

Oracle Linux Security Advisory ELSA-2023-12842

http://linux.oracle.com/errata/ELSA-2023-12842.html

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-uek-doc-4.1.12-124.79.2.el7uek.noarch.rpm
kernel-uek-firmware-4.1.12-124.79.2.el7uek.noarch.rpm
kernel-uek-4.1.12-124.79.2.el7uek.x86_64.rpm
kernel-uek-devel-4.1.12-124.79.2.el7uek.x86_64.rpm
kernel-uek-debug-4.1.12-124.79.2.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.1.12-124.79.2.el7uek.x86_64.rpm

SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates//kernel-uek-4.1.12-124.79.2.el7uek.src.rpm

Related CVEs:

CVE-2022-34918
CVE-2023-2513
CVE-2023-4387
CVE-2023-22024
CVE-2023-3772
CVE-2023-35001
CVE-2023-4206
CVE-2023-3611
CVE-2023-4459
CVE-2023-3776

Description of changes:

[4.1.12-124.79.2]
- net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free (valis) [Orabug: 35814273] {CVE-2023-4206}
- net/sched: sch_qfq: account for stab overhead in qfq_enqueue (Pedro Tammela) [Orabug: 35636291] {CVE-2023-3611}
- rds: Fix lack of reentrancy for connection reset with dst addr zero (Håkon Bugge) [Orabug: 35741584] [Orabug: 35818110] {CVE-2023-22024}

[4.1.12-124.79.1]
- xfrm: add NULL check in xfrm_update_ae_params (Lin Ma) [Orabug: 35754509] {CVE-2023-3772}
- net: vmxnet3: fix possible NULL pointer dereference in vmxnet3_rq_cleanup() (Zixuan Fu) [Orabug: 35732892] {CVE-2023-4459}
- net: vmxnet3: fix possible use-after-free bugs in vmxnet3_rq_alloc_rx_buf() (Zixuan Fu) [Orabug: 35732764] {CVE-2023-4387}
- net/sched: cls_fw: Fix improper refcount update leads to use-after-free (M A Ramdhan) [Orabug: 35636313] {CVE-2023-3776}
- netfilter: nf_tables: prevent OOB access in nft_byteorder_eval (Thadeu Lima de Souza Cascardo) [Orabug: 35609787] {CVE-2023-35001}
- ext4: fix use-after-free in ext4_xattr_set_entry (Baokun Li) [Orabug: 35382025] {CVE-2023-2513}
- ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h (Baokun Li) [Orabug: 35382025] {CVE-2023-2513}
- netfilter: nf_tables: stricter validation of element data (Pablo Neira Ayuso) [Orabug: 34362008] {CVE-2022-34918}