UBUNTU-CVE-2024-49900
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uninit-value access of new_ea in ea_buffer syzbot reports that lzo1x_1_do_compress is using uninit-value: ===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 ... Uninit was stored to memory at: ea_put fs/jfs/xattr.c:639 [inline] ... Local variable ea_buf created at: __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662 __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934 ===================================================== The reason is ea_buf->new_ea is not initialized properly. Fix this by using memset to empty its content at the beginning in ea_get().
02 / AFFECTED SOFTWARE
Affected packages
10 explicit affected versions
14 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
14 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
39 explicit affected versions
53 explicit affected versions
50 explicit affected versions
6 explicit affected versions
10 explicit affected versions
19 explicit affected versions
6 explicit affected versions
63 explicit affected versions
57 explicit affected versions
17 explicit affected versions
48 explicit affected versions
72 explicit affected versions
58 explicit affected versions
49 explicit affected versions
11 explicit affected versions
17 explicit affected versions
55 explicit affected versions
191 explicit affected versions
7 explicit affected versions
54 explicit affected versions
12 explicit affected versions
99 explicit affected versions
13 explicit affected versions
85 explicit affected versions
12 explicit affected versions
35 explicit affected versions
15 explicit affected versions
18 explicit affected versions
18 explicit affected versions
16 explicit affected versions
118 explicit affected versions
64 explicit affected versions
17 explicit affected versions
101 explicit affected versions
13 explicit affected versions
4 explicit affected versions
121 explicit affected versions
23 explicit affected versions
22 explicit affected versions
56 explicit affected versions
18 explicit affected versions
7 explicit affected versions
12 explicit affected versions
111 explicit affected versions
1 explicit affected versions
46 explicit affected versions
12 explicit affected versions
14 explicit affected versions
7 explicit affected versions
88 explicit affected versions
12 explicit affected versions
104 explicit affected versions
112 explicit affected versions
12 explicit affected versions
12 explicit affected versions
99 explicit affected versions
120 explicit affected versions
14 explicit affected versions
11 explicit affected versions
4 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
13 explicit affected versions
10 explicit affected versions
10 explicit affected versions
33 explicit affected versions
1 explicit affected versions
10 explicit affected versions
37 explicit affected versions
26 explicit affected versions
13 explicit affected versions
144 explicit affected versions
11 explicit affected versions
1 explicit affected versions
29 explicit affected versions
92 explicit affected versions
13 explicit affected versions
60 explicit affected versions
1 explicit affected versions
87 explicit affected versions
57 explicit affected versions
104 explicit affected versions
19 explicit affected versions
188 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
3 explicit affected versions
102 explicit affected versions
138 explicit affected versions
2 explicit affected versions
46 explicit affected versions
10 explicit affected versions
40 explicit affected versions
132 explicit affected versions
56 explicit affected versions
165 explicit affected versions
154 explicit affected versions
26 explicit affected versions
18 explicit affected versions
37 explicit affected versions
1 explicit affected versions
20 explicit affected versions
13 explicit affected versions
19 explicit affected versions
139 explicit affected versions
62 explicit affected versions
16 explicit affected versions
59 explicit affected versions
20 explicit affected versions
47 explicit affected versions
116 explicit affected versions
13 explicit affected versions
93 explicit affected versions
1 explicit affected versions
1 explicit affected versions
2 explicit affected versions
69 explicit affected versions
51 explicit affected versions
92 explicit affected versions
7 explicit affected versions
17 explicit affected versions
12 explicit affected versions
45 explicit affected versions
10 explicit affected versions
27 explicit affected versions
31 explicit affected versions
1 explicit affected versions
1 explicit affected versions
98 explicit affected versions
8 explicit affected versions
20 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
16 explicit affected versions
13 explicit affected versions
91 explicit affected versions
13 explicit affected versions
55 explicit affected versions
7 explicit affected versions
140 explicit affected versions
2 explicit affected versions
94 explicit affected versions
50 explicit affected versions
7 explicit affected versions
12 explicit affected versions
91 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
21 explicit affected versions
14 explicit affected versions
38 explicit affected versions
167 explicit affected versions
49 explicit affected versions
9 explicit affected versions
48 explicit affected versions
11 explicit affected versions
11 explicit affected versions
7 explicit affected versions
56 explicit affected versions
29 explicit affected versions
97 explicit affected versions
63 explicit affected versions
121 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
54 explicit affected versions
13 explicit affected versions
43 explicit affected versions
57 explicit affected versions
10 explicit affected versions
8 explicit affected versions
15 explicit affected versions
14 explicit affected versions
92 explicit affected versions
4 explicit affected versions
78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
69 explicit affected versions
12 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uninit-value access of new_ea in ea_buffer syzbot reports that lzo1x_1_do_compress is using uninit-value: ===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 ... Uninit was stored to memory at: ea_put fs/jfs/xattr.c:639 [inline] ... Local variable ea_buf created at: __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662 __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934 ===================================================== The reason is ea_buf->new_ea is not initialized properly. Fix this by using memset to empty its content at the beginning in ea_get().
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/2b59ffad47db1c46af25ccad157bb3b25147c35c
- https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c
- https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e
- https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73
- https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af
- https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc
- https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64
- https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d
- https://ubuntu.com/security/CVE-2024-49900
- https://ubuntu.com/security/notices/USN-7166-1
- https://ubuntu.com/security/notices/USN-7166-2
- https://ubuntu.com/security/notices/USN-7166-3
- https://ubuntu.com/security/notices/USN-7166-4
- https://ubuntu.com/security/notices/USN-7186-1
- https://ubuntu.com/security/notices/USN-7186-2
- https://ubuntu.com/security/notices/USN-7194-1
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7293-1
- https://ubuntu.com/security/notices/USN-7294-1
- https://ubuntu.com/security/notices/USN-7294-2
- https://ubuntu.com/security/notices/USN-7294-3
- https://ubuntu.com/security/notices/USN-7294-4
- https://ubuntu.com/security/notices/USN-7295-1
- https://ubuntu.com/security/notices/USN-7301-1
- https://ubuntu.com/security/notices/USN-7303-1
- https://ubuntu.com/security/notices/USN-7303-2
- https://ubuntu.com/security/notices/USN-7303-3
- https://ubuntu.com/security/notices/USN-7304-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://ubuntu.com/security/notices/USN-7311-1
- https://ubuntu.com/security/notices/USN-7384-1
- https://ubuntu.com/security/notices/USN-7384-2
- https://ubuntu.com/security/notices/USN-7385-1
- https://ubuntu.com/security/notices/USN-7386-1
- https://ubuntu.com/security/notices/USN-7393-1
- https://ubuntu.com/security/notices/USN-7401-1
- https://ubuntu.com/security/notices/USN-7403-1
- https://ubuntu.com/security/notices/USN-7413-1
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7539-1
- https://ubuntu.com/security/notices/USN-7540-1
- https://www.cve.org/CVERecord?id=CVE-2024-49900