UBUNTU-CVE-2024-50192
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v4: Don't allow a VMOVP on a dying VPE Kunkun Jiang reported that there is a small window of opportunity for userspace to force a change of affinity for a VPE while the VPE has already been unmapped, but the corresponding doorbell interrupt still visible in /proc/irq/. Plug the race by checking the value of vmapp_count, which tracks whether the VPE is mapped ot not, and returning an error in this case. This involves making vmapp_count common to both GICv4.1 and its v4.0 ancestor.
02 / AFFECTED SOFTWARE
Affected packages
58 explicit affected versions
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6 explicit affected versions
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60 explicit affected versions
10 explicit affected versions
26 explicit affected versions
18 explicit affected versions
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19 explicit affected versions
16 explicit affected versions
63 explicit affected versions
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51 explicit affected versions
7 explicit affected versions
12 explicit affected versions
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27 explicit affected versions
34 explicit affected versions
15 explicit affected versions
18 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
23 explicit affected versions
14 explicit affected versions
13 explicit affected versions
7 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
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: irqchip/gic-v4: Don't allow a VMOVP on a dying VPE Kunkun Jiang reported that there is a small window of opportunity for userspace to force a change of affinity for a VPE while the VPE has already been unmapped, but the corresponding doorbell interrupt still visible in /proc/irq/. Plug the race by checking the value of vmapp_count, which tracks whether the VPE is mapped ot not, and returning an error in this case. This involves making vmapp_count common to both GICv4.1 and its v4.0 ancestor.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/1442ee0011983f0c5c4b92380e6853afb513841a
- https://git.kernel.org/stable/c/01282ab5182f85e42234df2ff42f0ce790f465ff
- https://git.kernel.org/stable/c/1442ee0011983f0c5c4b92380e6853afb513841a
- https://git.kernel.org/stable/c/64b12b061c5488e2d69e67c4eaae5da64fd30bfe
- https://git.kernel.org/stable/c/755b9532c885b8761fb135fedcd705e21e61cccb
- https://git.kernel.org/stable/c/b7d7b7fc876f836f40bf48a87e07ea18756ba196
- https://git.kernel.org/stable/c/d960505a869e66184fff97fb334980a5b797c7c6
- https://ubuntu.com/security/CVE-2024-50192
- 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-7383-1
- https://ubuntu.com/security/notices/USN-7383-2
- 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-7388-1
- https://ubuntu.com/security/notices/USN-7389-1
- https://ubuntu.com/security/notices/USN-7390-1
- https://ubuntu.com/security/notices/USN-7403-1
- https://ubuntu.com/security/notices/USN-7451-1
- 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-2024-50192