UBUNTU-CVE-2024-50153
In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix null-ptr-deref in target_alloc_device() There is a null-ptr-deref issue reported by KASAN: BUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod] ... kasan_report+0xb9/0xf0 target_alloc_device+0xbc4/0xbe0 [target_core_mod] core_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod] target_core_init_configfs+0x205/0x420 [target_core_mod] do_one_initcall+0xdd/0x4e0 ... entry_SYSCALL_64_after_hwframe+0x76/0x7e In target_alloc_device(), if allocing memory for dev queues fails, then dev will be freed by dev->transport->free_device(), but dev->transport is not initialized at that time, which will lead to a null pointer reference problem. Fixing this bug by freeing dev with hba->backend->ops->free_device().
02 / AFFECTED SOFTWARE
Affected packages
58 explicit affected versions
16 explicit affected versions
8 explicit affected versions
37 explicit affected versions
1 explicit affected versions
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52 explicit affected versions
60 explicit affected versions
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10 explicit affected versions
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19 explicit affected versions
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7 explicit affected versions
15 explicit affected versions
4 explicit affected versions
13 explicit affected versions
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35 explicit affected versions
19 explicit affected versions
19 explicit affected versions
18 explicit affected versions
18 explicit affected versions
41 explicit affected versions
21 explicit affected versions
13 explicit affected versions
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26 explicit affected versions
1 explicit affected versions
21 explicit affected versions
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10 explicit affected versions
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13 explicit affected versions
1 explicit affected versions
50 explicit affected versions
12 explicit affected versions
14 explicit affected versions
7 explicit affected versions
2 explicit affected versions
12 explicit affected versions
12 explicit affected versions
16 explicit affected versions
26 explicit affected versions
13 explicit affected versions
12 explicit affected versions
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13 explicit affected versions
33 explicit affected versions
64 explicit affected versions
15 explicit affected versions
16 explicit affected versions
59 explicit affected versions
22 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
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12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
50 explicit affected versions
44 explicit affected versions
60 explicit affected versions
10 explicit affected versions
26 explicit affected versions
20 explicit affected versions
1 explicit affected versions
11 explicit affected versions
23 explicit affected versions
13 explicit affected versions
3 explicit affected versions
21 explicit affected versions
16 explicit affected versions
63 explicit affected versions
24 explicit affected versions
51 explicit affected versions
7 explicit affected versions
20 explicit affected versions
12 explicit affected versions
47 explicit affected versions
52 explicit affected versions
27 explicit affected versions
34 explicit affected versions
17 explicit affected versions
8 explicit affected versions
24 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
20 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
2 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
25 explicit affected versions
14 explicit affected versions
38 explicit affected versions
52 explicit affected versions
9 explicit affected versions
51 explicit affected versions
11 explicit affected versions
33 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
58 explicit affected versions
13 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
19 explicit affected versions
14 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
14 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix null-ptr-deref in target_alloc_device() There is a null-ptr-deref issue reported by KASAN: BUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod] ... kasan_report+0xb9/0xf0 target_alloc_device+0xbc4/0xbe0 [target_core_mod] core_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod] target_core_init_configfs+0x205/0x420 [target_core_mod] do_one_initcall+0xdd/0x4e0 ... entry_SYSCALL_64_after_hwframe+0x76/0x7e In target_alloc_device(), if allocing memory for dev queues fails, then dev will be freed by dev->transport->free_device(), but dev->transport is not initialized at that time, which will lead to a null pointer reference problem. Fixing this bug by freeing dev with hba->backend->ops->free_device().
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/fca6caeb4a61d240f031914413fcc69534f6dc03
- https://git.kernel.org/stable/c/14a6a2adb440e4ae97bee73b2360946bd033dadd
- https://git.kernel.org/stable/c/39e02fa90323243187c91bb3e8f2f5f6a9aacfc7
- https://git.kernel.org/stable/c/895ab729425ef9bf3b6d2f8d0853abe64896f314
- https://git.kernel.org/stable/c/b80e9bc85bd9af378e7eac83e15dd129557bbdb6
- https://git.kernel.org/stable/c/fca6caeb4a61d240f031914413fcc69534f6dc03
- https://ubuntu.com/security/CVE-2024-50153
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7288-1
- https://ubuntu.com/security/notices/USN-7288-2
- https://ubuntu.com/security/notices/USN-7289-1
- https://ubuntu.com/security/notices/USN-7289-2
- https://ubuntu.com/security/notices/USN-7289-3
- https://ubuntu.com/security/notices/USN-7289-4
- https://ubuntu.com/security/notices/USN-7291-1
- https://ubuntu.com/security/notices/USN-7305-1
- https://ubuntu.com/security/notices/USN-7308-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://ubuntu.com/security/notices/USN-7331-1
- https://ubuntu.com/security/notices/USN-7388-1
- https://ubuntu.com/security/notices/USN-7389-1
- https://ubuntu.com/security/notices/USN-7390-1
- https://ubuntu.com/security/notices/USN-7449-1
- https://ubuntu.com/security/notices/USN-7449-2
- https://ubuntu.com/security/notices/USN-7450-1
- https://ubuntu.com/security/notices/USN-7451-1
- https://ubuntu.com/security/notices/USN-7452-1
- https://ubuntu.com/security/notices/USN-7453-1
- https://ubuntu.com/security/notices/USN-7458-1
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7523-1
- https://ubuntu.com/security/notices/USN-7524-1
- https://www.cve.org/CVERecord?id=CVE-2024-50153