Summary
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Drivers core;
- Ext4 file system;
- JFS file system;
- Network namespace;
- CAIF protocol;
- Networking core;
- IPv6 networking;
(CVE-2024-56658, CVE-2021-47119, CVE-2024-56600, CVE-2021-47122,
CVE-2021-47483, CVE-2024-56595)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | linux | 3.13.0-205.256 |
Vulnerabilities 6
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High 7.8
regmap: Fix possible double-free in regcache_rbtree_exit()
In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcache_rbtree_exit() In regcache_rbtree_insert_to_block(), when 'present' realloc failed, the 'blk' which is supposed to assign to 'rbnode->block' will b…
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High 7.8
jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree
In the Linux kernel, the following vulnerability has been resolved: jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree When the value of lp is 0 at the beginning of the for loop, it will become negative in the next assignment and we should bai…
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High 7.8
net: inet6: do not leave a dangling sk pointer in inet6_create()
In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object i…
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High 7.8
net: defer final 'struct net' free in netns dismantle
In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_tem…
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Unscored —
ext4: fix memory leak in ext4_fill_super
In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_fill_super Buffer head references must be released before calling kill_bdev(); otherwise the buffer head (and its page referenced by b_data) will not be freed by…
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Unscored —
net: caif: fix memory leak in caif_device_notify
In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in caif_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer i…