Summary
[4.1.12-124.62.3]
- fget: check that the fd still exists after getting a ref to it (Linus Torvalds) [Orabug: 33679806] {CVE-2021-0920}
- fs: add fget_many() and fput_many() (Jens Axboe) [Orabug: 33679806]
- af_unix: fix garbage collect vs MSG_PEEK (Miklos Szeredi) [Orabug: 33679806] {CVE-2021-0920}
- net: split out functions related to registering inflight socket files (Jens Axboe) [Orabug: 33679806]
[4.1.12-124.62.2]
- netfilter: nf_tables: initialize registers in nft_do_chain() (Pablo Neira Ayuso) [Orabug: 34012926] {CVE-2022-1016}
- pNFS/flexfiles: fix incorrect size check in decode_nfs_fh() (Nikola Livic) [Orabug: 34020970] {CVE-2021-4157}
[4.1.12-124.62.1]
- Bluetooth: use correct lock to prevent UAF of hdev object (Lin Ma) [Orabug: 33014054] {CVE-2021-3573}
- hugetlbfs: flush TLBs correctly after huge_pmd_unshare (Nadav Amit) [Orabug: 33617221] {CVE-2021-4002}
- udf: Restore i_lenAlloc when inode expansion fails (Jan Kara) [Orabug: 33870269] {CVE-2022-0617}
- udf: Fix NULL ptr deref when converting from inline format (Jan Kara) [Orabug: 33870269] {CVE-2022-0617}
- phonet: refcount leak in pep_sock_accep (Hangyu Hua) [Orabug: 33962762] {CVE-2021-45095}
- btrfs: unlock newly allocated extent buffer after error (Qu Wenruo) [Orabug: 33997139] {CVE-2021-4149}
- quota: correct error number in free_dqentry() (Zhang Yi) [Orabug: 33997256] {CVE-2021-45868}
- quota: check block number when reading the block in quota file (Zhang Yi) [Orabug: 33997256] {CVE-2021-45868}
- af_unix: fix races in sk_peer_pid and sk_peer_cred accesses (Eric Dumazet) [Orabug: 34006847] {CVE-2021-4203}
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 7 | kernel-uek | 0:4.1.12-124.62.3.el7uek |
| Oracle Linux · 7 | kernel-uek-debug | 0:4.1.12-124.62.3.el7uek |
| Oracle Linux · 7 | kernel-uek-debug-devel | 0:4.1.12-124.62.3.el7uek |
| Oracle Linux · 7 | kernel-uek-devel | 0:4.1.12-124.62.3.el7uek |
| Oracle Linux · 7 | kernel-uek-doc | 0:4.1.12-124.62.3.el7uek |
| Oracle Linux · 7 | kernel-uek-firmware | 0:4.1.12-124.62.3.el7uek |
Vulnerabilities 10
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Medium 6.4CVE-2021-0920 Exploited
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to loc…
KEV May 23, 2022 -
Unscored —
A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls i…
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Unscored —
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memo…
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Unscored —
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock o…
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Unscored —
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way user…
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Unscored —
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race …
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Unscored —
pep_sock_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.
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Unscored —
In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk)…
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Unscored —
A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers ud…
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Unscored —
A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a use-after-free. …