Message ID | 20230419193847.51355-2-yuxuan.luo@canonical.com |
---|---|
State | New |
Headers | show
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Wed, 19 Apr 2023 12:38:51 -0700 (PDT) X-Google-Smtp-Source: AKy350al+KaQBtXVO5sQYDwHuFJzLjU/5gdAFZMDIGrWRD5uouUyTaWZtZw3XFadT6iUKBvNKFfyBA== X-Received: by 2002:a05:6214:2a81:b0:5ee:e18d:3f1 with SMTP id jr1-20020a0562142a8100b005eee18d03f1mr27887108qvb.35.1681933130956; Wed, 19 Apr 2023 12:38:50 -0700 (PDT) Received: from cache-ubuntu.hsd1.nj.comcast.net ([2601:86:200:98b0:fe76:f1dd:e97a:4512]) by smtp.gmail.com with ESMTPSA id o10-20020a0cecca000000b005f227de6b1bsm485998qvq.116.2023.04.19.12.38.50 for <kernel-team@lists.ubuntu.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 12:38:50 -0700 (PDT) From: Yuxuan Luo <yuxuan.luo@canonical.com> To: kernel-team@lists.ubuntu.com Subject: [SRU][B/J/F/K][PATCH 1/1] xirc2ps_cs: Fix use after free bug in xirc2ps_detach Date: Wed, 19 Apr 2023 15:38:47 -0400 Message-Id: <20230419193847.51355-2-yuxuan.luo@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230419193847.51355-1-yuxuan.luo@canonical.com> References: <20230419193847.51355-1-yuxuan.luo@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions <kernel-team.lists.ubuntu.com> List-Unsubscribe: <https://lists.ubuntu.com/mailman/options/kernel-team>, <mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe> List-Archive: <https://lists.ubuntu.com/archives/kernel-team> List-Post: <mailto:kernel-team@lists.ubuntu.com> List-Help: <mailto:kernel-team-request@lists.ubuntu.com?subject=help> List-Subscribe: <https://lists.ubuntu.com/mailman/listinfo/kernel-team>, <mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" <kernel-team-bounces@lists.ubuntu.com> |
Series |
CVE-2023-1670
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expand
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diff --git a/drivers/net/ethernet/xircom/xirc2ps_cs.c b/drivers/net/ethernet/xircom/xirc2ps_cs.c index fd5288ff53b53..e3438cef5f9c6 100644 --- a/drivers/net/ethernet/xircom/xirc2ps_cs.c +++ b/drivers/net/ethernet/xircom/xirc2ps_cs.c @@ -503,6 +503,11 @@ static void xirc2ps_detach(struct pcmcia_device *link) { struct net_device *dev = link->priv; + struct local_info *local = netdev_priv(dev); + + netif_carrier_off(dev); + netif_tx_disable(dev); + cancel_work_sync(&local->tx_timeout_task); dev_dbg(&link->dev, "detach\n");