Summary
[4.18.0-553.100.1]
- 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]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]
[4.18.0-553.100.1]
- IB/hfi1: Fix sdma.h tx->num_descs off-by-one error (Kamal Heib) [RHEL-138396] {CVE-2024-26766}
[4.18.0-553.99.1]
- fbdev: bitblit: bound-check glyph index in bit_putcs* (Jocelyn Falempe) [RHEL-136937] {CVE-2025-40322}
- atm: clip: Fix infinite recursive call of clip_push(). (Guillaume Nault) [RHEL-137591] {CVE-2025-38459}
- squashfs: fix memory leak in squashfs_fill_super (Abhi Das) [RHEL-138010] {CVE-2025-38415}
- Squashfs: check return result of sb_min_blocksize (CKI Backport Bot) [RHEL-138010] {CVE-2025-38415}
- usb: core: config: Prevent OOB read in SS endpoint companion parsing (CKI Backport Bot) [RHEL-137362] {CVE-2025-39760}
- RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug (CKI Backport Bot) [RHEL-137058] {CVE-2025-38024}
[4.18.0-553.98.1]
- vfs: use READ_ONCE() to access ->i_link (Jay Shin) [RHEL-141790]
- fold generic_readlink() into its only caller (Jay Shin) [RHEL-141790]
- fs/proc: fix uaf in proc_readdir_de() (Pavel Reichl) [RHEL-137093] {CVE-2025-40271}
- Backport 'create an empty changelog file when changing its name' (Alexandra Hajkova)
- mptcp: fix race condition in mptcp_schedule_work() (Paolo Abeni) [RHEL-134443] {CVE-2025-40258}
- mptcp: use mptcp_schedule_work instead of open-coding it (Paolo Abeni) [RHEL-134443]
- tcp: fix a signed-integer-overflow bug in tcp_add_backlog() (Guillaume Nault) [RHEL-137976] {CVE-2022-50865}
- tcp: minor optimization in tcp_add_backlog() (Guillaume Nault) [RHEL-137976] {CVE-2022-50865}
- RDMA/core: Fix 'KASAN: slab-use-after-free Read in ib_register_device' problem (Kamal Heib) [RHEL-134347] {CVE-2025-38022}
Fixed packages 20
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 8 | bpftool | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-abi-stablelists | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-core | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-cross-headers | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-debug | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-core | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-devel | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-modules | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-modules-extra | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-devel | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-doc | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-headers | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-modules | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-modules-extra | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-tools | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-tools-libs | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | kernel-tools-libs-devel | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | perf | 0:4.18.0-553.100.1.el8_10 |
| Oracle Linux · 8 | python3-perf | 0:4.18.0-553.100.1.el8_10 |
Vulnerabilities 10
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Critical 9.8
mptcp: fix race condition in mptcp_schedule_work()
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race condition in mptcp_schedule_work() syzbot reported use-after-free in mptcp_schedule_work() [1] Issue here is that mptcp_schedule_work() schedules a work, then gets a refcount …
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High 7.8
IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix sdma.h tx->num_descs off-by-one error Unfortunately the commit `fd8958efe877` introduced another error causing the `descs` array to overflow. This reults in further crashes easil…
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High 7.8
RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_addr…
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High 7.8
RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120 print_address_descri…
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High 7.8CVE-2025-40271 Public exploit
fs/proc: fix uaf in proc_readdir_de()
In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtree through rb_erase(), but not set the node to EMPTY, which may result in uaf access. We should use RB_CLEAR_NODE() set the…
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High 7.5
tcp: fix a signed-integer-overflow bug in tcp_add_backlog()
In the Linux kernel, the following vulnerability has been resolved: tcp: fix a signed-integer-overflow bug in tcp_add_backlog() The type of sk_rcvbuf and sk_sndbuf in struct sock is int, and in tcp_add_backlog(), the variable limit is caculated by adding sk_r…
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High 7.1
fbdev: bitblit: bound-check glyph index in bit_putcs*
In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bit_putcs* bit_putcs_aligned()/unaligned() derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font…
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Unscored —
Squashfs: check return result of sb_min_blocksize
In the Linux kernel, the following vulnerability has been resolved: Squashfs: check return result of sb_min_blocksize Syzkaller reports an "UBSAN: shift-out-of-bounds in squashfs_bio_read" bug. Syzkaller forks multiple processes which after mounting the Squas…
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Unscored —
atm: clip: Fix infinite recursive call of clip_push().
In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clip_push(). syzbot reported the splat below. [0] This happens if we call ioctl(ATMARP_MKIP) more than once. During the first call, clip_mkip() sets …
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Unscored —
usb: core: config: Prevent OOB read in SS endpoint companion parsing
In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_ss_endpoint_companion() checks descriptor type before length, enabling a potentially odd read outside of the buf…