Message ID | 20210927231217.116193-1-cascardo@canonical.com |
---|---|
Headers | show |
Series | CVE-2021-38199 | expand |
Acked-by: Tim Gardner <tim.gardner@canonical.com> LGTM On 9/27/21 5:12 PM, Thadeu Lima de Souza Cascardo wrote: > [Impact] > > "Operators of remote NFSv4 can servers to cause a denial of service > (hanging of mounts) by arranging for those servers to be unreachable during > trunking detection." > > [Backport] > > There was an extra line from a different commit absent from bionic, which > required a conflict fix because of the extra line in the context. > > [Test case] > > No specific test case for the vulnerability was tested. However, it was > tested that an NFSv4 mount could still work on both 4.15 and 5.8 versions. > > [Potential regression] > > NFS mount or access could cause a hang or crash. > > > Trond Myklebust (1): > NFSv4: Initialise connection to the server in nfs4_alloc_client() > > fs/nfs/nfs4client.c | 82 +++++++++++++++++++++++---------------------- > 1 file changed, 42 insertions(+), 40 deletions(-) >
On 28.09.21 01:12, Thadeu Lima de Souza Cascardo wrote: > [Impact] > > "Operators of remote NFSv4 can servers to cause a denial of service > (hanging of mounts) by arranging for those servers to be unreachable during > trunking detection." > > [Backport] > > There was an extra line from a different commit absent from bionic, which > required a conflict fix because of the extra line in the context. > > [Test case] > > No specific test case for the vulnerability was tested. However, it was > tested that an NFSv4 mount could still work on both 4.15 and 5.8 versions. > > [Potential regression] > > NFS mount or access could cause a hang or crash. > > > Trond Myklebust (1): > NFSv4: Initialise connection to the server in nfs4_alloc_client() > > fs/nfs/nfs4client.c | 82 +++++++++++++++++++++++---------------------- > 1 file changed, 42 insertions(+), 40 deletions(-) > Acked-by: Stefan Bader <stefan.bader@canonical.com>
Applied to bionic master-next. Thank you! -Kelsey On 2021-09-27 20:12:15 , Thadeu Lima de Souza Cascardo wrote: > [Impact] > > "Operators of remote NFSv4 can servers to cause a denial of service > (hanging of mounts) by arranging for those servers to be unreachable during > trunking detection." > > [Backport] > > There was an extra line from a different commit absent from bionic, which > required a conflict fix because of the extra line in the context. > > [Test case] > > No specific test case for the vulnerability was tested. However, it was > tested that an NFSv4 mount could still work on both 4.15 and 5.8 versions. > > [Potential regression] > > NFS mount or access could cause a hang or crash. > > > Trond Myklebust (1): > NFSv4: Initialise connection to the server in nfs4_alloc_client() > > fs/nfs/nfs4client.c | 82 +++++++++++++++++++++++---------------------- > 1 file changed, 42 insertions(+), 40 deletions(-) > > -- > 2.30.2 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team